349664320

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^2\times {\mathrm{389}}^1$

素因数の和:512

約数の個数: 84

約数和(自身を含む): 850826340

約数和(自身を除く): 501162020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 160, 212, 265, 320, 389, 424, 530, 778, 848, 1060, 1556, 1696, 1945, 2120, 2809, 3112, 3392, 3890, 4240, 5618, 6224, 7780, 8480, 11236, 12448, 14045, 15560, 16960, 20617, 22472, 24896, 28090, 31120, 41234, 44944, 56180, 62240, 82468, 89888, 103085, 112360, 124480, 164936, 179776, 206170, 224720, 329872, 412340, 449440, 659744, 824680, 898880, 1092701, 1319488, 1649360, 2185402, 3298720, 4370804, 5463505, 6597440, 8741608, 10927010, 17483216, 21854020, 34966432, 43708040, 69932864, 87416080, 174832160, 349664320]

約数ペア:

[(1, 349664320), (2, 174832160), (4, 87416080), (5, 69932864), (8, 43708040), (10, 34966432), (16, 21854020), (20, 17483216), (32, 10927010), (40, 8741608), (53, 6597440), (64, 5463505), (80, 4370804), (106, 3298720), (160, 2185402), (212, 1649360), (265, 1319488), (320, 1092701), (389, 898880), (424, 824680), (530, 659744), (778, 449440), (848, 412340), (1060, 329872), (1556, 224720), (1696, 206170), (1945, 179776), (2120, 164936), (2809, 124480), (3112, 112360), (3392, 103085), (3890, 89888), (4240, 82468), (5618, 62240), (6224, 56180), (7780, 44944), (8480, 41234), (11236, 31120), (12448, 28090), (14045, 24896), (15560, 22472), (16960, 20617)]