70290020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113371}}^1$

素因数の和:113411

約数の個数: 24

約数和(自身を含む): 152371968

約数和(自身を除く): 82081948

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 113371, 226742, 453484, 566855, 1133710, 2267420, 3514501, 7029002, 14058004, 17572505, 35145010, 70290020]

約数ペア:

[(1, 70290020), (2, 35145010), (4, 17572505), (5, 14058004), (10, 7029002), (20, 3514501), (31, 2267420), (62, 1133710), (124, 566855), (155, 453484), (310, 226742), (620, 113371)]