201786890

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1\times {\mathrm{829}}^1$

素因数の和:1178

約数の個数: 32

約数和(自身を含む): 368778960

約数和(自身を除く): 166992070

約数列:

[1, 2, 5, 10, 101, 202, 241, 482, 505, 829, 1010, 1205, 1658, 2410, 4145, 8290, 24341, 48682, 83729, 121705, 167458, 199789, 243410, 399578, 418645, 837290, 998945, 1997890, 20178689, 40357378, 100893445, 201786890]

約数ペア:

[(1, 201786890), (2, 100893445), (5, 40357378), (10, 20178689), (101, 1997890), (202, 998945), (241, 837290), (482, 418645), (505, 399578), (829, 243410), (1010, 199789), (1205, 167458), (1658, 121705), (2410, 83729), (4145, 48682), (8290, 24341)]