201996890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{40973}}^1$

素因数の和:41026

約数の個数: 32

約数和(自身を含む): 398267280

約数和(自身を除く): 196270390

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4930, 40973, 81946, 204865, 409730, 696541, 1188217, 1393082, 2376434, 3482705, 5941085, 6965410, 11882170, 20199689, 40399378, 100998445, 201996890]

約数ペア:

[(1, 201996890), (2, 100998445), (5, 40399378), (10, 20199689), (17, 11882170), (29, 6965410), (34, 5941085), (58, 3482705), (85, 2376434), (145, 1393082), (170, 1188217), (290, 696541), (493, 409730), (986, 204865), (2465, 81946), (4930, 40973)]