4026820

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{587}}^1$

素因数の和:617

約数の個数: 48

約数和(自身を含む): 9878400

約数和(自身を除く): 5851580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 587, 686, 980, 1174, 1372, 1715, 2348, 2935, 3430, 4109, 5870, 6860, 8218, 11740, 16436, 20545, 28763, 41090, 57526, 82180, 115052, 143815, 201341, 287630, 402682, 575260, 805364, 1006705, 2013410, 4026820]

約数ペア:

[(1, 4026820), (2, 2013410), (4, 1006705), (5, 805364), (7, 575260), (10, 402682), (14, 287630), (20, 201341), (28, 143815), (35, 115052), (49, 82180), (70, 57526), (98, 41090), (140, 28763), (196, 20545), (245, 16436), (343, 11740), (490, 8218), (587, 6860), (686, 5870), (980, 4109), (1174, 3430), (1372, 2935), (1715, 2348)]