253669220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1811923}}^1$

素因数の和:1811939

約数の個数: 24

約数和(自身を含む): 608806464

約数和(自身を除く): 355137244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1811923, 3623846, 7247692, 9059615, 12683461, 18119230, 25366922, 36238460, 50733844, 63417305, 126834610, 253669220]

約数ペア:

[(1, 253669220), (2, 126834610), (4, 63417305), (5, 50733844), (7, 36238460), (10, 25366922), (14, 18119230), (20, 12683461), (28, 9059615), (35, 7247692), (70, 3623846), (140, 1811923)]