30858020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{701}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 67931136

約数和(自身を除く): 37073116

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 701, 710, 1402, 1420, 2201, 2804, 3505, 4402, 7010, 8804, 11005, 14020, 21731, 22010, 43462, 44020, 49771, 86924, 99542, 108655, 199084, 217310, 248855, 434620, 497710, 995420, 1542901, 3085802, 6171604, 7714505, 15429010, 30858020]

約数ペア:

[(1, 30858020), (2, 15429010), (4, 7714505), (5, 6171604), (10, 3085802), (20, 1542901), (31, 995420), (62, 497710), (71, 434620), (124, 248855), (142, 217310), (155, 199084), (284, 108655), (310, 99542), (355, 86924), (620, 49771), (701, 44020), (710, 43462), (1402, 22010), (1420, 21731), (2201, 14020), (2804, 11005), (3505, 8804), (4402, 7010)]