1049669620

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1\times {\mathrm{769}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 2227579200

約数和(自身を除く): 1177909580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 491, 556, 695, 769, 982, 1390, 1538, 1964, 2455, 2780, 3076, 3845, 4910, 7690, 9820, 15380, 68249, 106891, 136498, 213782, 272996, 341245, 377579, 427564, 534455, 682490, 755158, 1068910, 1364980, 1510316, 1887895, 2137820, 3775790, 7551580, 52483481, 104966962, 209933924, 262417405, 524834810, 1049669620]

約数ペア:

[(1, 1049669620), (2, 524834810), (4, 262417405), (5, 209933924), (10, 104966962), (20, 52483481), (139, 7551580), (278, 3775790), (491, 2137820), (556, 1887895), (695, 1510316), (769, 1364980), (982, 1068910), (1390, 755158), (1538, 682490), (1964, 534455), (2455, 427564), (2780, 377579), (3076, 341245), (3845, 272996), (4910, 213782), (7690, 136498), (9820, 106891), (15380, 68249)]