91000000

素因数分解:

$2^6\times 5^6\times 7^1\times {\mathrm{13}}^1$

素因数の和:62

約数の個数: 196

約数和(自身を含む): 277808944

約数和(自身を除く): 186808944

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 64, 65, 70, 80, 91, 100, 104, 112, 125, 130, 140, 160, 175, 182, 200, 208, 224, 250, 260, 280, 320, 325, 350, 364, 400, 416, 448, 455, 500, 520, 560, 625, 650, 700, 728, 800, 832, 875, 910, 1000, 1040, 1120, 1250, 1300, 1400, 1456, 1600, 1625, 1750, 1820, 2000, 2080, 2240, 2275, 2500, 2600, 2800, 2912, 3125, 3250, 3500, 3640, 4000, 4160, 4375, 4550, 5000, 5200, 5600, 5824, 6250, 6500, 7000, 7280, 8000, 8125, 8750, 9100, 10000, 10400, 11200, 11375, 12500, 13000, 14000, 14560, 15625, 16250, 17500, 18200, 20000, 20800, 21875, 22750, 25000, 26000, 28000, 29120, 31250, 32500, 35000, 36400, 40000, 40625, 43750, 45500, 50000, 52000, 56000, 56875, 62500, 65000, 70000, 72800, 81250, 87500, 91000, 100000, 104000, 109375, 113750, 125000, 130000, 140000, 145600, 162500, 175000, 182000, 200000, 203125, 218750, 227500, 250000, 260000, 280000, 284375, 325000, 350000, 364000, 406250, 437500, 455000, 500000, 520000, 568750, 650000, 700000, 728000, 812500, 875000, 910000, 1000000, 1137500, 1300000, 1400000, 1421875, 1625000, 1750000, 1820000, 2275000, 2600000, 2843750, 3250000, 3500000, 3640000, 4550000, 5687500, 6500000, 7000000, 9100000, 11375000, 13000000, 18200000, 22750000, 45500000, 91000000]

約数ペア:

[(1, 91000000), (2, 45500000), (4, 22750000), (5, 18200000), (7, 13000000), (8, 11375000), (10, 9100000), (13, 7000000), (14, 6500000), (16, 5687500), (20, 4550000), (25, 3640000), (26, 3500000), (28, 3250000), (32, 2843750), (35, 2600000), (40, 2275000), (50, 1820000), (52, 1750000), (56, 1625000), (64, 1421875), (65, 1400000), (70, 1300000), (80, 1137500), (91, 1000000), (100, 910000), (104, 875000), (112, 812500), (125, 728000), (130, 700000), (140, 650000), (160, 568750), (175, 520000), (182, 500000), (200, 455000), (208, 437500), (224, 406250), (250, 364000), (260, 350000), (280, 325000), (320, 284375), (325, 280000), (350, 260000), (364, 250000), (400, 227500), (416, 218750), (448, 203125), (455, 200000), (500, 182000), (520, 175000), (560, 162500), (625, 145600), (650, 140000), (700, 130000), (728, 125000), (800, 113750), (832, 109375), (875, 104000), (910, 100000), (1000, 91000), (1040, 87500), (1120, 81250), (1250, 72800), (1300, 70000), (1400, 65000), (1456, 62500), (1600, 56875), (1625, 56000), (1750, 52000), (1820, 50000), (2000, 45500), (2080, 43750), (2240, 40625), (2275, 40000), (2500, 36400), (2600, 35000), (2800, 32500), (2912, 31250), (3125, 29120), (3250, 28000), (3500, 26000), (3640, 25000), (4000, 22750), (4160, 21875), (4375, 20800), (4550, 20000), (5000, 18200), (5200, 17500), (5600, 16250), (5824, 15625), (6250, 14560), (6500, 14000), (7000, 13000), (7280, 12500), (8000, 11375), (8125, 11200), (8750, 10400), (9100, 10000)]