400054590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{341927}}^1$

素因数の和:341953

約数の個数: 48

約数和(自身を含む): 1120156128

約数和(自身を除く): 720101538

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 341927, 683854, 1025781, 1709635, 2051562, 3077343, 3419270, 4445051, 5128905, 6154686, 8890102, 10257810, 13335153, 15386715, 22225255, 26670306, 30773430, 40005459, 44450510, 66675765, 80010918, 133351530, 200027295, 400054590]

約数ペア:

[(1, 400054590), (2, 200027295), (3, 133351530), (5, 80010918), (6, 66675765), (9, 44450510), (10, 40005459), (13, 30773430), (15, 26670306), (18, 22225255), (26, 15386715), (30, 13335153), (39, 10257810), (45, 8890102), (65, 6154686), (78, 5128905), (90, 4445051), (117, 3419270), (130, 3077343), (195, 2051562), (234, 1709635), (390, 1025781), (585, 683854), (1170, 341927)]