157212100

素因数分解:

$2^2\times 5^2\times {\mathrm{191}}^1\times {\mathrm{8231}}^1$

素因数の和:8436

約数の個数: 36

約数和(自身を含む): 342978048

約数和(自身を除く): 185765948

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 191, 382, 764, 955, 1910, 3820, 4775, 8231, 9550, 16462, 19100, 32924, 41155, 82310, 164620, 205775, 411550, 823100, 1572121, 3144242, 6288484, 7860605, 15721210, 31442420, 39303025, 78606050, 157212100]

約数ペア:

[(1, 157212100), (2, 78606050), (4, 39303025), (5, 31442420), (10, 15721210), (20, 7860605), (25, 6288484), (50, 3144242), (100, 1572121), (191, 823100), (382, 411550), (764, 205775), (955, 164620), (1910, 82310), (3820, 41155), (4775, 32924), (8231, 19100), (9550, 16462)]