4406740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{997}}^1$

素因数の和:1036

約数の個数: 48

約数和(自身を含む): 10562832

約数和(自身を除く): 6156092

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 997, 1105, 1994, 2210, 3988, 4420, 4985, 9970, 12961, 16949, 19940, 25922, 33898, 51844, 64805, 67796, 84745, 129610, 169490, 220337, 259220, 338980, 440674, 881348, 1101685, 2203370, 4406740]

約数ペア:

[(1, 4406740), (2, 2203370), (4, 1101685), (5, 881348), (10, 440674), (13, 338980), (17, 259220), (20, 220337), (26, 169490), (34, 129610), (52, 84745), (65, 67796), (68, 64805), (85, 51844), (130, 33898), (170, 25922), (221, 19940), (260, 16949), (340, 12961), (442, 9970), (884, 4985), (997, 4420), (1105, 3988), (1994, 2210)]