210689020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{339821}}^1$

素因数の和:339861

約数の個数: 24

約数和(自身を含む): 456720768

約数和(自身を除く): 246031748

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 339821, 679642, 1359284, 1699105, 3398210, 6796420, 10534451, 21068902, 42137804, 52672255, 105344510, 210689020]

約数ペア:

[(1, 210689020), (2, 105344510), (4, 52672255), (5, 42137804), (10, 21068902), (20, 10534451), (31, 6796420), (62, 3398210), (124, 1699105), (155, 1359284), (310, 679642), (620, 339821)]