123839240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{442283}}^1$

素因数の和:442301

約数の個数: 32

約数和(自身を含む): 318444480

約数和(自身を除く): 194605240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 442283, 884566, 1769132, 2211415, 3095981, 3538264, 4422830, 6191962, 8845660, 12383924, 15479905, 17691320, 24767848, 30959810, 61919620, 123839240]

約数ペア:

[(1, 123839240), (2, 61919620), (4, 30959810), (5, 24767848), (7, 17691320), (8, 15479905), (10, 12383924), (14, 8845660), (20, 6191962), (28, 4422830), (35, 3538264), (40, 3095981), (56, 2211415), (70, 1769132), (140, 884566), (280, 442283)]