291838780

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{2269}}^1$

素因数の和:2446

約数の個数: 48

約数和(自身を含む): 629244000

約数和(自身を除く): 337405220

約数列:

[1, 2, 4, 5, 10, 20, 59, 109, 118, 218, 236, 295, 436, 545, 590, 1090, 1180, 2180, 2269, 4538, 6431, 9076, 11345, 12862, 22690, 25724, 32155, 45380, 64310, 128620, 133871, 247321, 267742, 494642, 535484, 669355, 989284, 1236605, 1338710, 2473210, 2677420, 4946420, 14591939, 29183878, 58367756, 72959695, 145919390, 291838780]

約数ペア:

[(1, 291838780), (2, 145919390), (4, 72959695), (5, 58367756), (10, 29183878), (20, 14591939), (59, 4946420), (109, 2677420), (118, 2473210), (218, 1338710), (236, 1236605), (295, 989284), (436, 669355), (545, 535484), (590, 494642), (1090, 267742), (1180, 247321), (2180, 133871), (2269, 128620), (4538, 64310), (6431, 45380), (9076, 32155), (11345, 25724), (12862, 22690)]