101801980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{727157}}^1$

素因数の和:727173

約数の個数: 24

約数和(自身を含む): 244325088

約数和(自身を除く): 142523108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 727157, 1454314, 2908628, 3635785, 5090099, 7271570, 10180198, 14543140, 20360396, 25450495, 50900990, 101801980]

約数ペア:

[(1, 101801980), (2, 50900990), (4, 25450495), (5, 20360396), (7, 14543140), (10, 10180198), (14, 7271570), (20, 5090099), (28, 3635785), (35, 2908628), (70, 1454314), (140, 727157)]