804212500

素因数分解:

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

素因数の和:157

約数の個数: 216

約数和(自身を含む): 2225529432

約数和(自身を除く): 1421316932

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 91, 98, 100, 101, 125, 130, 140, 175, 182, 196, 202, 245, 250, 260, 325, 350, 364, 404, 455, 490, 500, 505, 625, 637, 650, 700, 707, 875, 910, 980, 1010, 1225, 1250, 1274, 1300, 1313, 1414, 1625, 1750, 1820, 2020, 2275, 2450, 2500, 2525, 2548, 2626, 2828, 3125, 3185, 3250, 3500, 3535, 4375, 4550, 4900, 4949, 5050, 5252, 6125, 6250, 6370, 6500, 6565, 7070, 8125, 8750, 9100, 9191, 9898, 10100, 11375, 12250, 12500, 12625, 12740, 13130, 14140, 15925, 16250, 17500, 17675, 18382, 19796, 21875, 22750, 24500, 24745, 25250, 26260, 30625, 31850, 32500, 32825, 35350, 36764, 40625, 43750, 45500, 45955, 49490, 50500, 56875, 61250, 63125, 63700, 64337, 65650, 70700, 79625, 81250, 87500, 88375, 91910, 98980, 113750, 122500, 123725, 126250, 128674, 131300, 153125, 159250, 162500, 164125, 176750, 183820, 227500, 229775, 247450, 252500, 257348, 284375, 306250, 315625, 318500, 321685, 328250, 353500, 398125, 441875, 459550, 494900, 568750, 612500, 618625, 631250, 643370, 656500, 796250, 820625, 883750, 919100, 1137500, 1148875, 1237250, 1262500, 1286740, 1592500, 1608425, 1641250, 1767500, 1990625, 2209375, 2297750, 2474500, 3093125, 3216850, 3282500, 3981250, 4103125, 4418750, 4595500, 5744375, 6186250, 6433700, 7962500, 8042125, 8206250, 8837500, 11488750, 12372500, 15465625, 16084250, 16412500, 22977500, 28721875, 30931250, 32168500, 40210625, 57443750, 61862500, 80421250, 114887500, 160842500, 201053125, 402106250, 804212500]

約数ペア:

[(1, 804212500), (2, 402106250), (4, 201053125), (5, 160842500), (7, 114887500), (10, 80421250), (13, 61862500), (14, 57443750), (20, 40210625), (25, 32168500), (26, 30931250), (28, 28721875), (35, 22977500), (49, 16412500), (50, 16084250), (52, 15465625), (65, 12372500), (70, 11488750), (91, 8837500), (98, 8206250), (100, 8042125), (101, 7962500), (125, 6433700), (130, 6186250), (140, 5744375), (175, 4595500), (182, 4418750), (196, 4103125), (202, 3981250), (245, 3282500), (250, 3216850), (260, 3093125), (325, 2474500), (350, 2297750), (364, 2209375), (404, 1990625), (455, 1767500), (490, 1641250), (500, 1608425), (505, 1592500), (625, 1286740), (637, 1262500), (650, 1237250), (700, 1148875), (707, 1137500), (875, 919100), (910, 883750), (980, 820625), (1010, 796250), (1225, 656500), (1250, 643370), (1274, 631250), (1300, 618625), (1313, 612500), (1414, 568750), (1625, 494900), (1750, 459550), (1820, 441875), (2020, 398125), (2275, 353500), (2450, 328250), (2500, 321685), (2525, 318500), (2548, 315625), (2626, 306250), (2828, 284375), (3125, 257348), (3185, 252500), (3250, 247450), (3500, 229775), (3535, 227500), (4375, 183820), (4550, 176750), (4900, 164125), (4949, 162500), (5050, 159250), (5252, 153125), (6125, 131300), (6250, 128674), (6370, 126250), (6500, 123725), (6565, 122500), (7070, 113750), (8125, 98980), (8750, 91910), (9100, 88375), (9191, 87500), (9898, 81250), (10100, 79625), (11375, 70700), (12250, 65650), (12500, 64337), (12625, 63700), (12740, 63125), (13130, 61250), (14140, 56875), (15925, 50500), (16250, 49490), (17500, 45955), (17675, 45500), (18382, 43750), (19796, 40625), (21875, 36764), (22750, 35350), (24500, 32825), (24745, 32500), (25250, 31850), (26260, 30625)]