837958820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1\times {\mathrm{2371}}^1$

素因数の和:2852

約数の個数: 48

約数和(自身を含む): 1807577856

約数和(自身を除く): 969619036

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 431, 820, 862, 1724, 2155, 2371, 4310, 4742, 8620, 9484, 11855, 17671, 23710, 35342, 47420, 70684, 88355, 97211, 176710, 194422, 353420, 388844, 486055, 972110, 1021901, 1944220, 2043802, 4087604, 5109505, 10219010, 20438020, 41897941, 83795882, 167591764, 209489705, 418979410, 837958820]

約数ペア:

[(1, 837958820), (2, 418979410), (4, 209489705), (5, 167591764), (10, 83795882), (20, 41897941), (41, 20438020), (82, 10219010), (164, 5109505), (205, 4087604), (410, 2043802), (431, 1944220), (820, 1021901), (862, 972110), (1724, 486055), (2155, 388844), (2371, 353420), (4310, 194422), (4742, 176710), (8620, 97211), (9484, 88355), (11855, 70684), (17671, 47420), (23710, 35342)]