87221620

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{29269}}^1$

素因数の和:29427

約数の個数: 24

約数和(自身を含む): 184401000

約数和(自身を除く): 97179380

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 29269, 58538, 117076, 146345, 292690, 585380, 4361081, 8722162, 17444324, 21805405, 43610810, 87221620]

約数ペア:

[(1, 87221620), (2, 43610810), (4, 21805405), (5, 17444324), (10, 8722162), (20, 4361081), (149, 585380), (298, 292690), (596, 146345), (745, 117076), (1490, 58538), (2980, 29269)]