84657980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4871}}^1$

素因数の和:4970

約数の個数: 48

約数和(自身を含む): 196439040

約数和(自身を除く): 111781060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 4871, 8690, 9742, 17380, 19484, 24355, 48710, 53581, 97420, 107162, 214324, 267905, 384809, 535810, 769618, 1071620, 1539236, 1924045, 3848090, 4232899, 7696180, 8465798, 16931596, 21164495, 42328990, 84657980]

約数ペア:

[(1, 84657980), (2, 42328990), (4, 21164495), (5, 16931596), (10, 8465798), (11, 7696180), (20, 4232899), (22, 3848090), (44, 1924045), (55, 1539236), (79, 1071620), (110, 769618), (158, 535810), (220, 384809), (316, 267905), (395, 214324), (790, 107162), (869, 97420), (1580, 53581), (1738, 48710), (3476, 24355), (4345, 19484), (4871, 17380), (8690, 9742)]