217675640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8543}}^1$

素因数の和:8581

約数の個数: 96

約数和(自身を含む): 613630080

約数和(自身を除く): 395954440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1274, 1820, 1960, 2548, 3185, 3640, 5096, 6370, 8543, 12740, 17086, 25480, 34172, 42715, 59801, 68344, 85430, 111059, 119602, 170860, 222118, 239204, 299005, 341720, 418607, 444236, 478408, 555295, 598010, 777413, 837214, 888472, 1110590, 1196020, 1554826, 1674428, 2093035, 2221180, 2392040, 3109652, 3348856, 3887065, 4186070, 4442360, 5441891, 6219304, 7774130, 8372140, 10883782, 15548260, 16744280, 21767564, 27209455, 31096520, 43535128, 54418910, 108837820, 217675640]

約数ペア:

[(1, 217675640), (2, 108837820), (4, 54418910), (5, 43535128), (7, 31096520), (8, 27209455), (10, 21767564), (13, 16744280), (14, 15548260), (20, 10883782), (26, 8372140), (28, 7774130), (35, 6219304), (40, 5441891), (49, 4442360), (52, 4186070), (56, 3887065), (65, 3348856), (70, 3109652), (91, 2392040), (98, 2221180), (104, 2093035), (130, 1674428), (140, 1554826), (182, 1196020), (196, 1110590), (245, 888472), (260, 837214), (280, 777413), (364, 598010), (392, 555295), (455, 478408), (490, 444236), (520, 418607), (637, 341720), (728, 299005), (910, 239204), (980, 222118), (1274, 170860), (1820, 119602), (1960, 111059), (2548, 85430), (3185, 68344), (3640, 59801), (5096, 42715), (6370, 34172), (8543, 25480), (12740, 17086)]