71473570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 151911936

約数和(自身を除く): 80438366

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 73, 142, 146, 197, 355, 365, 394, 497, 511, 710, 730, 985, 994, 1022, 1379, 1970, 2485, 2555, 2758, 4970, 5110, 5183, 6895, 10366, 13790, 13987, 14381, 25915, 27974, 28762, 36281, 51830, 69935, 71905, 72562, 97909, 100667, 139870, 143810, 181405, 195818, 201334, 362810, 489545, 503335, 979090, 1006670, 1021051, 2042102, 5105255, 7147357, 10210510, 14294714, 35736785, 71473570]

約数ペア:

[(1, 71473570), (2, 35736785), (5, 14294714), (7, 10210510), (10, 7147357), (14, 5105255), (35, 2042102), (70, 1021051), (71, 1006670), (73, 979090), (142, 503335), (146, 489545), (197, 362810), (355, 201334), (365, 195818), (394, 181405), (497, 143810), (511, 139870), (710, 100667), (730, 97909), (985, 72562), (994, 71905), (1022, 69935), (1379, 51830), (1970, 36281), (2485, 28762), (2555, 27974), (2758, 25915), (4970, 14381), (5110, 13987), (5183, 13790), (6895, 10366)]