212569480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{171427}}^1$

素因数の和:171469

約数の個数: 32

約数和(自身を含む): 493712640

約数和(自身を除く): 281143160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 171427, 342854, 685708, 857135, 1371416, 1714270, 3428540, 5314237, 6857080, 10628474, 21256948, 26571185, 42513896, 53142370, 106284740, 212569480]

約数ペア:

[(1, 212569480), (2, 106284740), (4, 53142370), (5, 42513896), (8, 26571185), (10, 21256948), (20, 10628474), (31, 6857080), (40, 5314237), (62, 3428540), (124, 1714270), (155, 1371416), (248, 857135), (310, 685708), (620, 342854), (1240, 171427)]