121226980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{123701}}^1$

素因数の和:123724

約数の個数: 36

約数和(自身を含む): 296142588

約数和(自身を除く): 174915608

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 123701, 247402, 494804, 618505, 865907, 1237010, 1731814, 2474020, 3463628, 4329535, 6061349, 8659070, 12122698, 17318140, 24245396, 30306745, 60613490, 121226980]

約数ペア:

[(1, 121226980), (2, 60613490), (4, 30306745), (5, 24245396), (7, 17318140), (10, 12122698), (14, 8659070), (20, 6061349), (28, 4329535), (35, 3463628), (49, 2474020), (70, 1731814), (98, 1237010), (140, 865907), (196, 618505), (245, 494804), (490, 247402), (980, 123701)]