123736910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:617

約数の個数: 64

約数和(自身を含む): 255052800

約数和(自身を除く): 131315890

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 79, 110, 145, 158, 290, 319, 395, 491, 638, 790, 869, 982, 1595, 1738, 2291, 2455, 3190, 4345, 4582, 4910, 5401, 8690, 10802, 11455, 14239, 22910, 25201, 27005, 28478, 38789, 50402, 54010, 71195, 77578, 126005, 142390, 156629, 193945, 252010, 313258, 387890, 426679, 783145, 853358, 1124881, 1566290, 2133395, 2249762, 4266790, 5624405, 11248810, 12373691, 24747382, 61868455, 123736910]

約数ペア:

[(1, 123736910), (2, 61868455), (5, 24747382), (10, 12373691), (11, 11248810), (22, 5624405), (29, 4266790), (55, 2249762), (58, 2133395), (79, 1566290), (110, 1124881), (145, 853358), (158, 783145), (290, 426679), (319, 387890), (395, 313258), (491, 252010), (638, 193945), (790, 156629), (869, 142390), (982, 126005), (1595, 77578), (1738, 71195), (2291, 54010), (2455, 50402), (3190, 38789), (4345, 28478), (4582, 27005), (4910, 25201), (5401, 22910), (8690, 14239), (10802, 11455)]