678761780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{3181}}^1$

素因数の和:3464

約数の個数: 48

約数和(自身を含む): 1462599936

約数和(自身を除く): 783838156

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 227, 235, 454, 470, 908, 940, 1135, 2270, 3181, 4540, 6362, 10669, 12724, 15905, 21338, 31810, 42676, 53345, 63620, 106690, 149507, 213380, 299014, 598028, 722087, 747535, 1444174, 1495070, 2888348, 2990140, 3610435, 7220870, 14441740, 33938089, 67876178, 135752356, 169690445, 339380890, 678761780]

約数ペア:

[(1, 678761780), (2, 339380890), (4, 169690445), (5, 135752356), (10, 67876178), (20, 33938089), (47, 14441740), (94, 7220870), (188, 3610435), (227, 2990140), (235, 2888348), (454, 1495070), (470, 1444174), (908, 747535), (940, 722087), (1135, 598028), (2270, 299014), (3181, 213380), (4540, 149507), (6362, 106690), (10669, 63620), (12724, 53345), (15905, 42676), (21338, 31810)]