2191060

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1543}}^1$

素因数の和:1623

約数の個数: 24

約数和(自身を含む): 4669056

約数和(自身を除く): 2477996

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1543, 3086, 6172, 7715, 15430, 30860, 109553, 219106, 438212, 547765, 1095530, 2191060]

約数ペア:

[(1, 2191060), (2, 1095530), (4, 547765), (5, 438212), (10, 219106), (20, 109553), (71, 30860), (142, 15430), (284, 7715), (355, 6172), (710, 3086), (1420, 1543)]