87621380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{56897}}^1$

素因数の和:56924

約数の個数: 48

約数和(自身を含む): 229412736

約数和(自身を除く): 141791356

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 56897, 113794, 227588, 284485, 398279, 568970, 625867, 796558, 1137940, 1251734, 1593116, 1991395, 2503468, 3129335, 3982790, 4381069, 6258670, 7965580, 8762138, 12517340, 17524276, 21905345, 43810690, 87621380]

約数ペア:

[(1, 87621380), (2, 43810690), (4, 21905345), (5, 17524276), (7, 12517340), (10, 8762138), (11, 7965580), (14, 6258670), (20, 4381069), (22, 3982790), (28, 3129335), (35, 2503468), (44, 1991395), (55, 1593116), (70, 1251734), (77, 1137940), (110, 796558), (140, 625867), (154, 568970), (220, 398279), (308, 284485), (385, 227588), (770, 113794), (1540, 56897)]