7892420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 17781120

約数和(自身を除く): 9888700

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 167, 170, 278, 334, 340, 556, 668, 695, 835, 1390, 1670, 2363, 2780, 2839, 3340, 4726, 5678, 9452, 11356, 11815, 14195, 23213, 23630, 28390, 46426, 47260, 56780, 92852, 116065, 232130, 394621, 464260, 789242, 1578484, 1973105, 3946210, 7892420]

約数ペア:

[(1, 7892420), (2, 3946210), (4, 1973105), (5, 1578484), (10, 789242), (17, 464260), (20, 394621), (34, 232130), (68, 116065), (85, 92852), (139, 56780), (167, 47260), (170, 46426), (278, 28390), (334, 23630), (340, 23213), (556, 14195), (668, 11815), (695, 11356), (835, 9452), (1390, 5678), (1670, 4726), (2363, 3340), (2780, 2839)]