240234680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{857981}}^1$

素因数の和:857999

約数の個数: 32

約数和(自身を含む): 617747040

約数和(自身を除く): 377512360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 857981, 1715962, 3431924, 4289905, 6005867, 6863848, 8579810, 12011734, 17159620, 24023468, 30029335, 34319240, 48046936, 60058670, 120117340, 240234680]

約数ペア:

[(1, 240234680), (2, 120117340), (4, 60058670), (5, 48046936), (7, 34319240), (8, 30029335), (10, 24023468), (14, 17159620), (20, 12011734), (28, 8579810), (35, 6863848), (40, 6005867), (56, 4289905), (70, 3431924), (140, 1715962), (280, 857981)]