12199540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{677}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 27678672

約数和(自身を除く): 15479132

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 677, 901, 1060, 1354, 1802, 2708, 3385, 3604, 4505, 6770, 9010, 11509, 13540, 18020, 23018, 35881, 46036, 57545, 71762, 115090, 143524, 179405, 230180, 358810, 609977, 717620, 1219954, 2439908, 3049885, 6099770, 12199540]

約数ペア:

[(1, 12199540), (2, 6099770), (4, 3049885), (5, 2439908), (10, 1219954), (17, 717620), (20, 609977), (34, 358810), (53, 230180), (68, 179405), (85, 143524), (106, 115090), (170, 71762), (212, 57545), (265, 46036), (340, 35881), (530, 23018), (677, 18020), (901, 13540), (1060, 11509), (1354, 9010), (1802, 6770), (2708, 4505), (3385, 3604)]