217685000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:253

約数の個数: 160

約数和(自身を含む): 584531640

約数和(自身を除く): 366846640

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 85, 100, 104, 125, 130, 136, 170, 197, 200, 221, 250, 260, 325, 340, 394, 425, 442, 500, 520, 625, 650, 680, 788, 850, 884, 985, 1000, 1105, 1250, 1300, 1576, 1625, 1700, 1768, 1970, 2125, 2210, 2500, 2561, 2600, 3250, 3349, 3400, 3940, 4250, 4420, 4925, 5000, 5122, 5525, 6500, 6698, 7880, 8125, 8500, 8840, 9850, 10244, 10625, 11050, 12805, 13000, 13396, 16250, 16745, 17000, 19700, 20488, 21250, 22100, 24625, 25610, 26792, 27625, 32500, 33490, 39400, 42500, 43537, 44200, 49250, 51220, 55250, 64025, 65000, 66980, 83725, 85000, 87074, 98500, 102440, 110500, 123125, 128050, 133960, 138125, 167450, 174148, 197000, 217685, 221000, 246250, 256100, 276250, 320125, 334900, 348296, 418625, 435370, 492500, 512200, 552500, 640250, 669800, 837250, 870740, 985000, 1088425, 1105000, 1280500, 1600625, 1674500, 1741480, 2093125, 2176850, 2561000, 3201250, 3349000, 4186250, 4353700, 5442125, 6402500, 8372500, 8707400, 10884250, 12805000, 16745000, 21768500, 27210625, 43537000, 54421250, 108842500, 217685000]

約数ペア:

[(1, 217685000), (2, 108842500), (4, 54421250), (5, 43537000), (8, 27210625), (10, 21768500), (13, 16745000), (17, 12805000), (20, 10884250), (25, 8707400), (26, 8372500), (34, 6402500), (40, 5442125), (50, 4353700), (52, 4186250), (65, 3349000), (68, 3201250), (85, 2561000), (100, 2176850), (104, 2093125), (125, 1741480), (130, 1674500), (136, 1600625), (170, 1280500), (197, 1105000), (200, 1088425), (221, 985000), (250, 870740), (260, 837250), (325, 669800), (340, 640250), (394, 552500), (425, 512200), (442, 492500), (500, 435370), (520, 418625), (625, 348296), (650, 334900), (680, 320125), (788, 276250), (850, 256100), (884, 246250), (985, 221000), (1000, 217685), (1105, 197000), (1250, 174148), (1300, 167450), (1576, 138125), (1625, 133960), (1700, 128050), (1768, 123125), (1970, 110500), (2125, 102440), (2210, 98500), (2500, 87074), (2561, 85000), (2600, 83725), (3250, 66980), (3349, 65000), (3400, 64025), (3940, 55250), (4250, 51220), (4420, 49250), (4925, 44200), (5000, 43537), (5122, 42500), (5525, 39400), (6500, 33490), (6698, 32500), (7880, 27625), (8125, 26792), (8500, 25610), (8840, 24625), (9850, 22100), (10244, 21250), (10625, 20488), (11050, 19700), (12805, 17000), (13000, 16745), (13396, 16250)]