90150364

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:610

約数の個数: 36

約数和(自身を含む): 168021000

約数和(自身を除く): 77870636

約数列:

[1, 2, 4, 19, 38, 76, 149, 298, 361, 419, 596, 722, 838, 1444, 1676, 2831, 5662, 7961, 11324, 15922, 31844, 53789, 62431, 107578, 124862, 151259, 215156, 249724, 302518, 605036, 1186189, 2372378, 4744756, 22537591, 45075182, 90150364]

約数ペア:

[(1, 90150364), (2, 45075182), (4, 22537591), (19, 4744756), (38, 2372378), (76, 1186189), (149, 605036), (298, 302518), (361, 249724), (419, 215156), (596, 151259), (722, 124862), (838, 107578), (1444, 62431), (1676, 53789), (2831, 31844), (5662, 15922), (7961, 11324)]