70787780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4909}}^1$

素因数の和:5028

約数の個数: 48

約数和(自身を含む): 171575040

約数和(自身を除く): 100787260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 4909, 7210, 9818, 14420, 19636, 24545, 34363, 49090, 68726, 98180, 137452, 171815, 343630, 505627, 687260, 1011254, 2022508, 2528135, 3539389, 5056270, 7078778, 10112540, 14157556, 17696945, 35393890, 70787780]

約数ペア:

[(1, 70787780), (2, 35393890), (4, 17696945), (5, 14157556), (7, 10112540), (10, 7078778), (14, 5056270), (20, 3539389), (28, 2528135), (35, 2022508), (70, 1011254), (103, 687260), (140, 505627), (206, 343630), (412, 171815), (515, 137452), (721, 98180), (1030, 68726), (1442, 49090), (2060, 34363), (2884, 24545), (3605, 19636), (4909, 14420), (7210, 9818)]