128526800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:537

約数の個数: 120

約数和(自身を含む): 335650392

約数和(自身を除く): 207123592

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 41, 50, 68, 80, 82, 85, 100, 136, 164, 170, 200, 205, 272, 328, 340, 400, 410, 425, 461, 656, 680, 697, 820, 850, 922, 1025, 1360, 1394, 1640, 1700, 1844, 2050, 2305, 2788, 3280, 3400, 3485, 3688, 4100, 4610, 5576, 6800, 6970, 7376, 7837, 8200, 9220, 11152, 11525, 13940, 15674, 16400, 17425, 18440, 18901, 23050, 27880, 31348, 34850, 36880, 37802, 39185, 46100, 55760, 62696, 69700, 75604, 78370, 92200, 94505, 125392, 139400, 151208, 156740, 184400, 189010, 195925, 278800, 302416, 313480, 321317, 378020, 391850, 472525, 626960, 642634, 756040, 783700, 945050, 1285268, 1512080, 1567400, 1606585, 1890100, 2570536, 3134800, 3213170, 3780200, 5141072, 6426340, 7560400, 8032925, 12852680, 16065850, 25705360, 32131700, 64263400, 128526800]

約数ペア:

[(1, 128526800), (2, 64263400), (4, 32131700), (5, 25705360), (8, 16065850), (10, 12852680), (16, 8032925), (17, 7560400), (20, 6426340), (25, 5141072), (34, 3780200), (40, 3213170), (41, 3134800), (50, 2570536), (68, 1890100), (80, 1606585), (82, 1567400), (85, 1512080), (100, 1285268), (136, 945050), (164, 783700), (170, 756040), (200, 642634), (205, 626960), (272, 472525), (328, 391850), (340, 378020), (400, 321317), (410, 313480), (425, 302416), (461, 278800), (656, 195925), (680, 189010), (697, 184400), (820, 156740), (850, 151208), (922, 139400), (1025, 125392), (1360, 94505), (1394, 92200), (1640, 78370), (1700, 75604), (1844, 69700), (2050, 62696), (2305, 55760), (2788, 46100), (3280, 39185), (3400, 37802), (3485, 36880), (3688, 34850), (4100, 31348), (4610, 27880), (5576, 23050), (6800, 18901), (6970, 18440), (7376, 17425), (7837, 16400), (8200, 15674), (9220, 13940), (11152, 11525)]