101977820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{104059}}^1$

素因数の和:104082

約数の個数: 36

約数和(自身を含む): 249119640

約数和(自身を除く): 147141820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 104059, 208118, 416236, 520295, 728413, 1040590, 1456826, 2081180, 2913652, 3642065, 5098891, 7284130, 10197782, 14568260, 20395564, 25494455, 50988910, 101977820]

約数ペア:

[(1, 101977820), (2, 50988910), (4, 25494455), (5, 20395564), (7, 14568260), (10, 10197782), (14, 7284130), (20, 5098891), (28, 3642065), (35, 2913652), (49, 2081180), (70, 1456826), (98, 1040590), (140, 728413), (196, 520295), (245, 416236), (490, 208118), (980, 104059)]