84545420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{1489}}^1$

素因数の和:1682

約数の個数: 48

約数和(自身を含む): 189241920

約数和(自身を除く): 104696500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 167, 170, 334, 340, 668, 835, 1489, 1670, 2839, 2978, 3340, 5678, 5956, 7445, 11356, 14195, 14890, 25313, 28390, 29780, 50626, 56780, 101252, 126565, 248663, 253130, 497326, 506260, 994652, 1243315, 2486630, 4227271, 4973260, 8454542, 16909084, 21136355, 42272710, 84545420]

約数ペア:

[(1, 84545420), (2, 42272710), (4, 21136355), (5, 16909084), (10, 8454542), (17, 4973260), (20, 4227271), (34, 2486630), (68, 1243315), (85, 994652), (167, 506260), (170, 497326), (334, 253130), (340, 248663), (668, 126565), (835, 101252), (1489, 56780), (1670, 50626), (2839, 29780), (2978, 28390), (3340, 25313), (5678, 14890), (5956, 14195), (7445, 11356)]