90642340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{74297}}^1$

素因数の和:74367

約数の個数: 24

約数和(自身を含む): 193471992

約数和(自身を除く): 102829652

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 74297, 148594, 297188, 371485, 742970, 1485940, 4532117, 9064234, 18128468, 22660585, 45321170, 90642340]

約数ペア:

[(1, 90642340), (2, 45321170), (4, 22660585), (5, 18128468), (10, 9064234), (20, 4532117), (61, 1485940), (122, 742970), (244, 371485), (305, 297188), (610, 148594), (1220, 74297)]