30234680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107981}}^1$

素因数の和:107999

約数の個数: 32

約数和(自身を含む): 77747040

約数和(自身を除く): 47512360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 107981, 215962, 431924, 539905, 755867, 863848, 1079810, 1511734, 2159620, 3023468, 3779335, 4319240, 6046936, 7558670, 15117340, 30234680]

約数ペア:

[(1, 30234680), (2, 15117340), (4, 7558670), (5, 6046936), (7, 4319240), (8, 3779335), (10, 3023468), (14, 2159620), (20, 1511734), (28, 1079810), (35, 863848), (40, 755867), (56, 539905), (70, 431924), (140, 215962), (280, 107981)]