218675440

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{11437}}^1$

素因数の和:11689

約数の個数: 40

約数和(自身を含む): 510592320

約数和(自身を除く): 291916880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 9560, 11437, 19120, 22874, 45748, 57185, 91496, 114370, 182992, 228740, 457480, 914960, 2733443, 5466886, 10933772, 13667215, 21867544, 27334430, 43735088, 54668860, 109337720, 218675440]

約数ペア:

[(1, 218675440), (2, 109337720), (4, 54668860), (5, 43735088), (8, 27334430), (10, 21867544), (16, 13667215), (20, 10933772), (40, 5466886), (80, 2733443), (239, 914960), (478, 457480), (956, 228740), (1195, 182992), (1912, 114370), (2390, 91496), (3824, 57185), (4780, 45748), (9560, 22874), (11437, 19120)]