214913840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{431}}^1$

素因数の和:738

約数の個数: 80

約数和(自身を含む): 524537856

約数和(自身を除く): 309624016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 271, 368, 431, 460, 542, 862, 920, 1084, 1355, 1724, 1840, 2155, 2168, 2710, 3448, 4310, 4336, 5420, 6233, 6896, 8620, 9913, 10840, 12466, 17240, 19826, 21680, 24932, 31165, 34480, 39652, 49565, 49864, 62330, 79304, 99130, 99728, 116801, 124660, 158608, 198260, 233602, 249320, 396520, 467204, 498640, 584005, 793040, 934408, 1168010, 1868816, 2336020, 2686423, 4672040, 5372846, 9344080, 10745692, 13432115, 21491384, 26864230, 42982768, 53728460, 107456920, 214913840]

約数ペア:

[(1, 214913840), (2, 107456920), (4, 53728460), (5, 42982768), (8, 26864230), (10, 21491384), (16, 13432115), (20, 10745692), (23, 9344080), (40, 5372846), (46, 4672040), (80, 2686423), (92, 2336020), (115, 1868816), (184, 1168010), (230, 934408), (271, 793040), (368, 584005), (431, 498640), (460, 467204), (542, 396520), (862, 249320), (920, 233602), (1084, 198260), (1355, 158608), (1724, 124660), (1840, 116801), (2155, 99728), (2168, 99130), (2710, 79304), (3448, 62330), (4310, 49864), (4336, 49565), (5420, 39652), (6233, 34480), (6896, 31165), (8620, 24932), (9913, 21680), (10840, 19826), (12466, 17240)]