74980280

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{6917}}^1$

素因数の和:7199

約数の個数: 32

約数和(自身を含む): 169352640

約数和(自身を除く): 94372360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 6917, 10840, 13834, 27668, 34585, 55336, 69170, 138340, 276680, 1874507, 3749014, 7498028, 9372535, 14996056, 18745070, 37490140, 74980280]

約数ペア:

[(1, 74980280), (2, 37490140), (4, 18745070), (5, 14996056), (8, 9372535), (10, 7498028), (20, 3749014), (40, 1874507), (271, 276680), (542, 138340), (1084, 69170), (1355, 55336), (2168, 34585), (2710, 27668), (5420, 13834), (6917, 10840)]