217157440

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18341}}^1$

素因数の和:18395

約数の個数: 56

約数和(自身を含む): 531110952

約数和(自身を除く): 313953512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 148, 160, 185, 296, 320, 370, 592, 740, 1184, 1480, 2368, 2960, 5920, 11840, 18341, 36682, 73364, 91705, 146728, 183410, 293456, 366820, 586912, 678617, 733640, 1173824, 1357234, 1467280, 2714468, 2934560, 3393085, 5428936, 5869120, 6786170, 10857872, 13572340, 21715744, 27144680, 43431488, 54289360, 108578720, 217157440]

約数ペア:

[(1, 217157440), (2, 108578720), (4, 54289360), (5, 43431488), (8, 27144680), (10, 21715744), (16, 13572340), (20, 10857872), (32, 6786170), (37, 5869120), (40, 5428936), (64, 3393085), (74, 2934560), (80, 2714468), (148, 1467280), (160, 1357234), (185, 1173824), (296, 733640), (320, 678617), (370, 586912), (592, 366820), (740, 293456), (1184, 183410), (1480, 146728), (2368, 91705), (2960, 73364), (5920, 36682), (11840, 18341)]