7986980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 17781120

約数和(自身を除く): 9794140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 97, 115, 179, 194, 230, 358, 388, 460, 485, 716, 895, 970, 1790, 1940, 2231, 3580, 4117, 4462, 8234, 8924, 11155, 16468, 17363, 20585, 22310, 34726, 41170, 44620, 69452, 82340, 86815, 173630, 347260, 399349, 798698, 1597396, 1996745, 3993490, 7986980]

約数ペア:

[(1, 7986980), (2, 3993490), (4, 1996745), (5, 1597396), (10, 798698), (20, 399349), (23, 347260), (46, 173630), (92, 86815), (97, 82340), (115, 69452), (179, 44620), (194, 41170), (230, 34726), (358, 22310), (388, 20585), (460, 17363), (485, 16468), (716, 11155), (895, 8924), (970, 8234), (1790, 4462), (1940, 4117), (2231, 3580)]