123955400

素因数分解:

$2^3\times 5^2\times {\mathrm{271}}^1\times {\mathrm{2287}}^1$

素因数の和:2574

約数の個数: 48

約数和(自身を含む): 289386240

約数和(自身を除く): 165430840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 271, 542, 1084, 1355, 2168, 2287, 2710, 4574, 5420, 6775, 9148, 10840, 11435, 13550, 18296, 22870, 27100, 45740, 54200, 57175, 91480, 114350, 228700, 457400, 619777, 1239554, 2479108, 3098885, 4958216, 6197770, 12395540, 15494425, 24791080, 30988850, 61977700, 123955400]

約数ペア:

[(1, 123955400), (2, 61977700), (4, 30988850), (5, 24791080), (8, 15494425), (10, 12395540), (20, 6197770), (25, 4958216), (40, 3098885), (50, 2479108), (100, 1239554), (200, 619777), (271, 457400), (542, 228700), (1084, 114350), (1355, 91480), (2168, 57175), (2287, 54200), (2710, 45740), (4574, 27100), (5420, 22870), (6775, 18296), (9148, 13550), (10840, 11435)]