919100000

素因数分解:

$2^5\times 5^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:156

約数の個数: 288

約数和(自身を含む): 2811195072

約数和(自身を除く): 1892095072

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 101, 104, 112, 125, 130, 140, 160, 175, 182, 200, 202, 208, 224, 250, 260, 280, 325, 350, 364, 400, 404, 416, 455, 500, 505, 520, 560, 625, 650, 700, 707, 728, 800, 808, 875, 910, 1000, 1010, 1040, 1120, 1250, 1300, 1313, 1400, 1414, 1456, 1616, 1625, 1750, 1820, 2000, 2020, 2080, 2275, 2500, 2525, 2600, 2626, 2800, 2828, 2912, 3125, 3232, 3250, 3500, 3535, 3640, 4000, 4040, 4375, 4550, 5000, 5050, 5200, 5252, 5600, 5656, 6250, 6500, 6565, 7000, 7070, 7280, 8080, 8125, 8750, 9100, 9191, 10000, 10100, 10400, 10504, 11312, 11375, 12500, 12625, 13000, 13130, 14000, 14140, 14560, 16160, 16250, 17500, 17675, 18200, 18382, 20000, 20200, 21008, 21875, 22624, 22750, 25000, 25250, 26000, 26260, 28000, 28280, 32500, 32825, 35000, 35350, 36400, 36764, 40400, 40625, 42016, 43750, 45500, 45955, 50000, 50500, 52000, 52520, 56560, 56875, 63125, 65000, 65650, 70000, 70700, 72800, 73528, 80800, 81250, 87500, 88375, 91000, 91910, 100000, 101000, 105040, 113120, 113750, 126250, 130000, 131300, 140000, 141400, 147056, 162500, 164125, 175000, 176750, 182000, 183820, 202000, 210080, 227500, 229775, 252500, 260000, 262600, 282800, 284375, 294112, 315625, 325000, 328250, 350000, 353500, 364000, 367640, 404000, 441875, 455000, 459550, 505000, 525200, 565600, 568750, 631250, 650000, 656500, 700000, 707000, 735280, 820625, 883750, 910000, 919100, 1010000, 1050400, 1137500, 1148875, 1262500, 1300000, 1313000, 1414000, 1470560, 1641250, 1767500, 1820000, 1838200, 2020000, 2209375, 2275000, 2297750, 2525000, 2626000, 2828000, 3282500, 3535000, 3676400, 4103125, 4418750, 4550000, 4595500, 5050000, 5252000, 5744375, 6565000, 7070000, 7352800, 8206250, 8837500, 9100000, 9191000, 10100000, 11488750, 13130000, 14140000, 16412500, 17675000, 18382000, 22977500, 26260000, 28721875, 32825000, 35350000, 36764000, 45955000, 57443750, 65650000, 70700000, 91910000, 114887500, 131300000, 183820000, 229775000, 459550000, 919100000]

約数ペア:

[(1, 919100000), (2, 459550000), (4, 229775000), (5, 183820000), (7, 131300000), (8, 114887500), (10, 91910000), (13, 70700000), (14, 65650000), (16, 57443750), (20, 45955000), (25, 36764000), (26, 35350000), (28, 32825000), (32, 28721875), (35, 26260000), (40, 22977500), (50, 18382000), (52, 17675000), (56, 16412500), (65, 14140000), (70, 13130000), (80, 11488750), (91, 10100000), (100, 9191000), (101, 9100000), (104, 8837500), (112, 8206250), (125, 7352800), (130, 7070000), (140, 6565000), (160, 5744375), (175, 5252000), (182, 5050000), (200, 4595500), (202, 4550000), (208, 4418750), (224, 4103125), (250, 3676400), (260, 3535000), (280, 3282500), (325, 2828000), (350, 2626000), (364, 2525000), (400, 2297750), (404, 2275000), (416, 2209375), (455, 2020000), (500, 1838200), (505, 1820000), (520, 1767500), (560, 1641250), (625, 1470560), (650, 1414000), (700, 1313000), (707, 1300000), (728, 1262500), (800, 1148875), (808, 1137500), (875, 1050400), (910, 1010000), (1000, 919100), (1010, 910000), (1040, 883750), (1120, 820625), (1250, 735280), (1300, 707000), (1313, 700000), (1400, 656500), (1414, 650000), (1456, 631250), (1616, 568750), (1625, 565600), (1750, 525200), (1820, 505000), (2000, 459550), (2020, 455000), (2080, 441875), (2275, 404000), (2500, 367640), (2525, 364000), (2600, 353500), (2626, 350000), (2800, 328250), (2828, 325000), (2912, 315625), (3125, 294112), (3232, 284375), (3250, 282800), (3500, 262600), (3535, 260000), (3640, 252500), (4000, 229775), (4040, 227500), (4375, 210080), (4550, 202000), (5000, 183820), (5050, 182000), (5200, 176750), (5252, 175000), (5600, 164125), (5656, 162500), (6250, 147056), (6500, 141400), (6565, 140000), (7000, 131300), (7070, 130000), (7280, 126250), (8080, 113750), (8125, 113120), (8750, 105040), (9100, 101000), (9191, 100000), (10000, 91910), (10100, 91000), (10400, 88375), (10504, 87500), (11312, 81250), (11375, 80800), (12500, 73528), (12625, 72800), (13000, 70700), (13130, 70000), (14000, 65650), (14140, 65000), (14560, 63125), (16160, 56875), (16250, 56560), (17500, 52520), (17675, 52000), (18200, 50500), (18382, 50000), (20000, 45955), (20200, 45500), (21008, 43750), (21875, 42016), (22624, 40625), (22750, 40400), (25000, 36764), (25250, 36400), (26000, 35350), (26260, 35000), (28000, 32825), (28280, 32500)]