9100000

素因数分解:

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

素因数の和:55

約数の個数: 144

約数和(自身を含む): 27560736

約数和(自身を除く): 18460736

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, 104, 112, 125, 130, 140, 160, 175, 182, 200, 208, 224, 250, 260, 280, 325, 350, 364, 400, 416, 455, 500, 520, 560, 625, 650, 700, 728, 800, 875, 910, 1000, 1040, 1120, 1250, 1300, 1400, 1456, 1625, 1750, 1820, 2000, 2080, 2275, 2500, 2600, 2800, 2912, 3125, 3250, 3500, 3640, 4000, 4375, 4550, 5000, 5200, 5600, 6250, 6500, 7000, 7280, 8125, 8750, 9100, 10000, 10400, 11375, 12500, 13000, 14000, 14560, 16250, 17500, 18200, 20000, 21875, 22750, 25000, 26000, 28000, 32500, 35000, 36400, 40625, 43750, 45500, 50000, 52000, 56875, 65000, 70000, 72800, 81250, 87500, 91000, 100000, 113750, 130000, 140000, 162500, 175000, 182000, 227500, 260000, 284375, 325000, 350000, 364000, 455000, 568750, 650000, 700000, 910000, 1137500, 1300000, 1820000, 2275000, 4550000, 9100000]

約数ペア:

[(1, 9100000), (2, 4550000), (4, 2275000), (5, 1820000), (7, 1300000), (8, 1137500), (10, 910000), (13, 700000), (14, 650000), (16, 568750), (20, 455000), (25, 364000), (26, 350000), (28, 325000), (32, 284375), (35, 260000), (40, 227500), (50, 182000), (52, 175000), (56, 162500), (65, 140000), (70, 130000), (80, 113750), (91, 100000), (100, 91000), (104, 87500), (112, 81250), (125, 72800), (130, 70000), (140, 65000), (160, 56875), (175, 52000), (182, 50000), (200, 45500), (208, 43750), (224, 40625), (250, 36400), (260, 35000), (280, 32500), (325, 28000), (350, 26000), (364, 25000), (400, 22750), (416, 21875), (455, 20000), (500, 18200), (520, 17500), (560, 16250), (625, 14560), (650, 14000), (700, 13000), (728, 12500), (800, 11375), (875, 10400), (910, 10000), (1000, 9100), (1040, 8750), (1120, 8125), (1250, 7280), (1300, 7000), (1400, 6500), (1456, 6250), (1625, 5600), (1750, 5200), (1820, 5000), (2000, 4550), (2080, 4375), (2275, 4000), (2500, 3640), (2600, 3500), (2800, 3250), (2912, 3125)]