69406420

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{449}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 149688000

約数和(自身を除く): 80281580

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 131, 236, 262, 295, 449, 524, 590, 655, 898, 1180, 1310, 1796, 2245, 2620, 4490, 7729, 8980, 15458, 26491, 30916, 38645, 52982, 58819, 77290, 105964, 117638, 132455, 154580, 235276, 264910, 294095, 529820, 588190, 1176380, 3470321, 6940642, 13881284, 17351605, 34703210, 69406420]

約数ペア:

[(1, 69406420), (2, 34703210), (4, 17351605), (5, 13881284), (10, 6940642), (20, 3470321), (59, 1176380), (118, 588190), (131, 529820), (236, 294095), (262, 264910), (295, 235276), (449, 154580), (524, 132455), (590, 117638), (655, 105964), (898, 77290), (1180, 58819), (1310, 52982), (1796, 38645), (2245, 30916), (2620, 26491), (4490, 15458), (7729, 8980)]