252188440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{900673}}^1$

素因数の和:900691

約数の個数: 32

約数和(自身を含む): 648485280

約数和(自身を除く): 396296840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 900673, 1801346, 3602692, 4503365, 6304711, 7205384, 9006730, 12609422, 18013460, 25218844, 31523555, 36026920, 50437688, 63047110, 126094220, 252188440]

約数ペア:

[(1, 252188440), (2, 126094220), (4, 63047110), (5, 50437688), (7, 36026920), (8, 31523555), (10, 25218844), (14, 18013460), (20, 12609422), (28, 9006730), (35, 7205384), (40, 6304711), (56, 4503365), (70, 3602692), (140, 1801346), (280, 900673)]