84173080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 197640000

約数和(自身を除く): 113466920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 149, 232, 290, 298, 487, 580, 596, 745, 974, 1160, 1192, 1490, 1948, 2435, 2980, 3896, 4321, 4870, 5960, 8642, 9740, 14123, 17284, 19480, 21605, 28246, 34568, 43210, 56492, 70615, 72563, 86420, 112984, 141230, 145126, 172840, 282460, 290252, 362815, 564920, 580504, 725630, 1451260, 2104327, 2902520, 4208654, 8417308, 10521635, 16834616, 21043270, 42086540, 84173080]

約数ペア:

[(1, 84173080), (2, 42086540), (4, 21043270), (5, 16834616), (8, 10521635), (10, 8417308), (20, 4208654), (29, 2902520), (40, 2104327), (58, 1451260), (116, 725630), (145, 580504), (149, 564920), (232, 362815), (290, 290252), (298, 282460), (487, 172840), (580, 145126), (596, 141230), (745, 112984), (974, 86420), (1160, 72563), (1192, 70615), (1490, 56492), (1948, 43210), (2435, 34568), (2980, 28246), (3896, 21605), (4321, 19480), (4870, 17284), (5960, 14123), (8642, 9740)]