83405980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{4691}}^1$

素因数の和:4834

約数の個数: 48

約数和(自身を含む): 201793536

約数和(自身を除く): 118387556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 4691, 8890, 9382, 17780, 18764, 23455, 32837, 46910, 65674, 93820, 131348, 164185, 328370, 595757, 656740, 1191514, 2383028, 2978785, 4170299, 5957570, 8340598, 11915140, 16681196, 20851495, 41702990, 83405980]

約数ペア:

[(1, 83405980), (2, 41702990), (4, 20851495), (5, 16681196), (7, 11915140), (10, 8340598), (14, 5957570), (20, 4170299), (28, 2978785), (35, 2383028), (70, 1191514), (127, 656740), (140, 595757), (254, 328370), (508, 164185), (635, 131348), (889, 93820), (1270, 65674), (1778, 46910), (2540, 32837), (3556, 23455), (4445, 18764), (4691, 17780), (8890, 9382)]