74009020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1831}}^1$

素因数の和:1930

約数の個数: 48

約数和(自身を含む): 162505728

約数和(自身を除く): 88496708

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 430, 470, 860, 940, 1831, 2021, 3662, 4042, 7324, 8084, 9155, 10105, 18310, 20210, 36620, 40420, 78733, 86057, 157466, 172114, 314932, 344228, 393665, 430285, 787330, 860570, 1574660, 1721140, 3700451, 7400902, 14801804, 18502255, 37004510, 74009020]

約数ペア:

[(1, 74009020), (2, 37004510), (4, 18502255), (5, 14801804), (10, 7400902), (20, 3700451), (43, 1721140), (47, 1574660), (86, 860570), (94, 787330), (172, 430285), (188, 393665), (215, 344228), (235, 314932), (430, 172114), (470, 157466), (860, 86057), (940, 78733), (1831, 40420), (2021, 36620), (3662, 20210), (4042, 18310), (7324, 10105), (8084, 9155)]