399821340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{162529}}^1$

素因数の和:162582

約数の個数: 48

約数和(自身を含む): 1146811680

約数和(自身を除く): 746990340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 162529, 325058, 487587, 650116, 812645, 975174, 1625290, 1950348, 2437935, 3250580, 4875870, 6663689, 9751740, 13327378, 19991067, 26654756, 33318445, 39982134, 66636890, 79964268, 99955335, 133273780, 199910670, 399821340]

約数ペア:

[(1, 399821340), (2, 199910670), (3, 133273780), (4, 99955335), (5, 79964268), (6, 66636890), (10, 39982134), (12, 33318445), (15, 26654756), (20, 19991067), (30, 13327378), (41, 9751740), (60, 6663689), (82, 4875870), (123, 3250580), (164, 2437935), (205, 1950348), (246, 1625290), (410, 975174), (492, 812645), (615, 650116), (820, 487587), (1230, 325058), (2460, 162529)]