74656840

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 172368000

約数和(自身を除く): 97711160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 113, 166, 199, 226, 332, 398, 415, 452, 565, 664, 796, 830, 904, 995, 1130, 1592, 1660, 1990, 2260, 3320, 3980, 4520, 7960, 9379, 16517, 18758, 22487, 33034, 37516, 44974, 46895, 66068, 75032, 82585, 89948, 93790, 112435, 132136, 165170, 179896, 187580, 224870, 330340, 375160, 449740, 660680, 899480, 1866421, 3732842, 7465684, 9332105, 14931368, 18664210, 37328420, 74656840]

約数ペア:

[(1, 74656840), (2, 37328420), (4, 18664210), (5, 14931368), (8, 9332105), (10, 7465684), (20, 3732842), (40, 1866421), (83, 899480), (113, 660680), (166, 449740), (199, 375160), (226, 330340), (332, 224870), (398, 187580), (415, 179896), (452, 165170), (565, 132136), (664, 112435), (796, 93790), (830, 89948), (904, 82585), (995, 75032), (1130, 66068), (1592, 46895), (1660, 44974), (1990, 37516), (2260, 33034), (3320, 22487), (3980, 18758), (4520, 16517), (7960, 9379)]