1293886220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{18553}}^1$

素因数の和:18890

約数の個数: 48

約数和(自身を含む): 2973686688

約数和(自身を除く): 1679800468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 317, 634, 1268, 1585, 3170, 3487, 6340, 6974, 13948, 17435, 18553, 34870, 37106, 69740, 74212, 92765, 185530, 204083, 371060, 408166, 816332, 1020415, 2040830, 4081660, 5881301, 11762602, 23525204, 29406505, 58813010, 64694311, 117626020, 129388622, 258777244, 323471555, 646943110, 1293886220]

約数ペア:

[(1, 1293886220), (2, 646943110), (4, 323471555), (5, 258777244), (10, 129388622), (11, 117626020), (20, 64694311), (22, 58813010), (44, 29406505), (55, 23525204), (110, 11762602), (220, 5881301), (317, 4081660), (634, 2040830), (1268, 1020415), (1585, 816332), (3170, 408166), (3487, 371060), (6340, 204083), (6974, 185530), (13948, 92765), (17435, 74212), (18553, 69740), (34870, 37106)]