289770020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{467371}}^1$

素因数の和:467411

約数の個数: 24

約数和(自身を含む): 628147968

約数和(自身を除く): 338377948

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 467371, 934742, 1869484, 2336855, 4673710, 9347420, 14488501, 28977002, 57954004, 72442505, 144885010, 289770020]

約数ペア:

[(1, 289770020), (2, 144885010), (4, 72442505), (5, 57954004), (10, 28977002), (20, 14488501), (31, 9347420), (62, 4673710), (124, 2336855), (155, 1869484), (310, 934742), (620, 467371)]