136290260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{219823}}^1$

素因数の和:219863

約数の個数: 24

約数和(自身を含む): 295443456

約数和(自身を除く): 159153196

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 219823, 439646, 879292, 1099115, 2198230, 4396460, 6814513, 13629026, 27258052, 34072565, 68145130, 136290260]

約数ペア:

[(1, 136290260), (2, 68145130), (4, 34072565), (5, 27258052), (10, 13629026), (20, 6814513), (31, 4396460), (62, 2198230), (124, 1099115), (155, 879292), (310, 439646), (620, 219823)]