418700

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:146

約数の個数: 36

約数和(自身を含む): 937440

約数和(自身を除く): 518740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 79, 100, 106, 158, 212, 265, 316, 395, 530, 790, 1060, 1325, 1580, 1975, 2650, 3950, 4187, 5300, 7900, 8374, 16748, 20935, 41870, 83740, 104675, 209350, 418700]

約数ペア:

[(1, 418700), (2, 209350), (4, 104675), (5, 83740), (10, 41870), (20, 20935), (25, 16748), (50, 8374), (53, 7900), (79, 5300), (100, 4187), (106, 3950), (158, 2650), (212, 1975), (265, 1580), (316, 1325), (395, 1060), (530, 790)]