8864140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 21071232

約数和(自身を除く): 12207092

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 31, 34, 58, 62, 68, 85, 116, 124, 145, 155, 170, 290, 310, 340, 493, 527, 580, 620, 841, 899, 986, 1054, 1682, 1798, 1972, 2108, 2465, 2635, 3364, 3596, 4205, 4495, 4930, 5270, 8410, 8990, 9860, 10540, 14297, 15283, 16820, 17980, 26071, 28594, 30566, 52142, 57188, 61132, 71485, 76415, 104284, 130355, 142970, 152830, 260710, 285940, 305660, 443207, 521420, 886414, 1772828, 2216035, 4432070, 8864140]

約数ペア:

[(1, 8864140), (2, 4432070), (4, 2216035), (5, 1772828), (10, 886414), (17, 521420), (20, 443207), (29, 305660), (31, 285940), (34, 260710), (58, 152830), (62, 142970), (68, 130355), (85, 104284), (116, 76415), (124, 71485), (145, 61132), (155, 57188), (170, 52142), (290, 30566), (310, 28594), (340, 26071), (493, 17980), (527, 16820), (580, 15283), (620, 14297), (841, 10540), (899, 9860), (986, 8990), (1054, 8410), (1682, 5270), (1798, 4930), (1972, 4495), (2108, 4205), (2465, 3596), (2635, 3364)]