128008610

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:587

約数の個数: 48

約数和(自身を含む): 246834432

約数和(自身を除く): 118825822

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 491, 841, 899, 982, 1682, 1798, 2455, 4205, 4495, 4910, 8410, 8990, 14239, 15221, 26071, 28478, 30442, 52142, 71195, 76105, 130355, 142390, 152210, 260710, 412931, 441409, 825862, 882818, 2064655, 2207045, 4129310, 4414090, 12800861, 25601722, 64004305, 128008610]

約数ペア:

[(1, 128008610), (2, 64004305), (5, 25601722), (10, 12800861), (29, 4414090), (31, 4129310), (58, 2207045), (62, 2064655), (145, 882818), (155, 825862), (290, 441409), (310, 412931), (491, 260710), (841, 152210), (899, 142390), (982, 130355), (1682, 76105), (1798, 71195), (2455, 52142), (4205, 30442), (4495, 28478), (4910, 26071), (8410, 15221), (8990, 14239)]