147788780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{238369}}^1$

素因数の和:238409

約数の個数: 24

約数和(自身を含む): 320369280

約数和(自身を除く): 172580500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 238369, 476738, 953476, 1191845, 2383690, 4767380, 7389439, 14778878, 29557756, 36947195, 73894390, 147788780]

約数ペア:

[(1, 147788780), (2, 73894390), (4, 36947195), (5, 29557756), (10, 14778878), (20, 7389439), (31, 4767380), (62, 2383690), (124, 1191845), (155, 953476), (310, 476738), (620, 238369)]