2003620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 4572288

約数和(自身を除く): 2568668

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 83, 85, 142, 166, 170, 284, 332, 340, 355, 415, 710, 830, 1207, 1411, 1420, 1660, 2414, 2822, 4828, 5644, 5893, 6035, 7055, 11786, 12070, 14110, 23572, 24140, 28220, 29465, 58930, 100181, 117860, 200362, 400724, 500905, 1001810, 2003620]

約数ペア:

[(1, 2003620), (2, 1001810), (4, 500905), (5, 400724), (10, 200362), (17, 117860), (20, 100181), (34, 58930), (68, 29465), (71, 28220), (83, 24140), (85, 23572), (142, 14110), (166, 12070), (170, 11786), (284, 7055), (332, 6035), (340, 5893), (355, 5644), (415, 4828), (710, 2822), (830, 2414), (1207, 1660), (1411, 1420)]