123739420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{2879}}^1$

素因数の和:3202

約数の個数: 48

約数和(自身を含む): 298045440

約数和(自身を除く): 174306020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 307, 614, 1228, 1535, 2149, 2879, 3070, 4298, 5758, 6140, 8596, 10745, 11516, 14395, 20153, 21490, 28790, 40306, 42980, 57580, 80612, 100765, 201530, 403060, 883853, 1767706, 3535412, 4419265, 6186971, 8838530, 12373942, 17677060, 24747884, 30934855, 61869710, 123739420]

約数ペア:

[(1, 123739420), (2, 61869710), (4, 30934855), (5, 24747884), (7, 17677060), (10, 12373942), (14, 8838530), (20, 6186971), (28, 4419265), (35, 3535412), (70, 1767706), (140, 883853), (307, 403060), (614, 201530), (1228, 100765), (1535, 80612), (2149, 57580), (2879, 42980), (3070, 40306), (4298, 28790), (5758, 21490), (6140, 20153), (8596, 14395), (10745, 11516)]