174922840

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{42457}}^1$

素因数の和:42571

約数の個数: 32

約数和(自身を含む): 397406880

約数和(自身を除く): 222484040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 42457, 84914, 169828, 212285, 339656, 424570, 849140, 1698280, 4373071, 8746142, 17492284, 21865355, 34984568, 43730710, 87461420, 174922840]

約数ペア:

[(1, 174922840), (2, 87461420), (4, 43730710), (5, 34984568), (8, 21865355), (10, 17492284), (20, 8746142), (40, 4373071), (103, 1698280), (206, 849140), (412, 424570), (515, 339656), (824, 212285), (1030, 169828), (2060, 84914), (4120, 42457)]