291259240

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{48869}}^1$

素因数の和:49029

約数の個数: 32

約数和(自身を含む): 659745000

約数和(自身を除く): 368485760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 48869, 97738, 195476, 244345, 390952, 488690, 977380, 1954760, 7281481, 14562962, 29125924, 36407405, 58251848, 72814810, 145629620, 291259240]

約数ペア:

[(1, 291259240), (2, 145629620), (4, 72814810), (5, 58251848), (8, 36407405), (10, 29125924), (20, 14562962), (40, 7281481), (149, 1954760), (298, 977380), (596, 488690), (745, 390952), (1192, 244345), (1490, 195476), (2980, 97738), (5960, 48869)]