627586840

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{1091}}^1$

素因数の和:1372

約数の個数: 64

約数和(自身を含む): 1439998560

約数和(自身を除く): 812411720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 197, 292, 365, 394, 584, 730, 788, 985, 1091, 1460, 1576, 1970, 2182, 2920, 3940, 4364, 5455, 7880, 8728, 10910, 14381, 21820, 28762, 43640, 57524, 71905, 79643, 115048, 143810, 159286, 214927, 287620, 318572, 398215, 429854, 575240, 637144, 796430, 859708, 1074635, 1592860, 1719416, 2149270, 3185720, 4298540, 8597080, 15689671, 31379342, 62758684, 78448355, 125517368, 156896710, 313793420, 627586840]

約数ペア:

[(1, 627586840), (2, 313793420), (4, 156896710), (5, 125517368), (8, 78448355), (10, 62758684), (20, 31379342), (40, 15689671), (73, 8597080), (146, 4298540), (197, 3185720), (292, 2149270), (365, 1719416), (394, 1592860), (584, 1074635), (730, 859708), (788, 796430), (985, 637144), (1091, 575240), (1460, 429854), (1576, 398215), (1970, 318572), (2182, 287620), (2920, 214927), (3940, 159286), (4364, 143810), (5455, 115048), (7880, 79643), (8728, 71905), (10910, 57524), (14381, 43640), (21820, 28762)]