620716740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1477897}}^1$

素因数の和:1477916

約数の個数: 48

約数和(自身を含む): 1986294912

約数和(自身を除く): 1365578172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1477897, 2955794, 4433691, 5911588, 7389485, 8867382, 10345279, 14778970, 17734764, 20690558, 22168455, 29557940, 31035837, 41381116, 44336910, 51726395, 62071674, 88673820, 103452790, 124143348, 155179185, 206905580, 310358370, 620716740]

約数ペア:

[(1, 620716740), (2, 310358370), (3, 206905580), (4, 155179185), (5, 124143348), (6, 103452790), (7, 88673820), (10, 62071674), (12, 51726395), (14, 44336910), (15, 41381116), (20, 31035837), (21, 29557940), (28, 22168455), (30, 20690558), (35, 17734764), (42, 14778970), (60, 10345279), (70, 8867382), (84, 7389485), (105, 5911588), (140, 4433691), (210, 2955794), (420, 1477897)]