28369940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{461}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 63567504

約数和(自身を除く): 35197564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 181, 340, 362, 461, 724, 905, 922, 1810, 1844, 2305, 3077, 3620, 4610, 6154, 7837, 9220, 12308, 15385, 15674, 30770, 31348, 39185, 61540, 78370, 83441, 156740, 166882, 333764, 417205, 834410, 1418497, 1668820, 2836994, 5673988, 7092485, 14184970, 28369940]

約数ペア:

[(1, 28369940), (2, 14184970), (4, 7092485), (5, 5673988), (10, 2836994), (17, 1668820), (20, 1418497), (34, 834410), (68, 417205), (85, 333764), (170, 166882), (181, 156740), (340, 83441), (362, 78370), (461, 61540), (724, 39185), (905, 31348), (922, 30770), (1810, 15674), (1844, 15385), (2305, 12308), (3077, 9220), (3620, 7837), (4610, 6154)]