216899320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 554273280

約数和(自身を除く): 337373960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 71, 88, 106, 110, 131, 142, 212, 220, 262, 265, 284, 355, 424, 440, 524, 530, 568, 583, 655, 710, 781, 1048, 1060, 1166, 1310, 1420, 1441, 1562, 2120, 2332, 2620, 2840, 2882, 2915, 3124, 3763, 3905, 4664, 5240, 5764, 5830, 6248, 6943, 7205, 7526, 7810, 9301, 11528, 11660, 13886, 14410, 15052, 15620, 18602, 18815, 23320, 27772, 28820, 30104, 31240, 34715, 37204, 37630, 41393, 46505, 55544, 57640, 69430, 74408, 75260, 76373, 82786, 93010, 102311, 138860, 150520, 152746, 165572, 186020, 204622, 206965, 277720, 305492, 331144, 372040, 381865, 409244, 413930, 492953, 511555, 610984, 763730, 818488, 827860, 985906, 1023110, 1527460, 1655720, 1971812, 2046220, 2464765, 3054920, 3943624, 4092440, 4929530, 5422483, 9859060, 10844966, 19718120, 21689932, 27112415, 43379864, 54224830, 108449660, 216899320]

約数ペア:

[(1, 216899320), (2, 108449660), (4, 54224830), (5, 43379864), (8, 27112415), (10, 21689932), (11, 19718120), (20, 10844966), (22, 9859060), (40, 5422483), (44, 4929530), (53, 4092440), (55, 3943624), (71, 3054920), (88, 2464765), (106, 2046220), (110, 1971812), (131, 1655720), (142, 1527460), (212, 1023110), (220, 985906), (262, 827860), (265, 818488), (284, 763730), (355, 610984), (424, 511555), (440, 492953), (524, 413930), (530, 409244), (568, 381865), (583, 372040), (655, 331144), (710, 305492), (781, 277720), (1048, 206965), (1060, 204622), (1166, 186020), (1310, 165572), (1420, 152746), (1441, 150520), (1562, 138860), (2120, 102311), (2332, 93010), (2620, 82786), (2840, 76373), (2882, 75260), (2915, 74408), (3124, 69430), (3763, 57640), (3905, 55544), (4664, 46505), (5240, 41393), (5764, 37630), (5830, 37204), (6248, 34715), (6943, 31240), (7205, 30104), (7526, 28820), (7810, 27772), (9301, 23320), (11528, 18815), (11660, 18602), (13886, 15620), (14410, 15052)]