205364490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{1621}}^1$

素因数の和:1775

約数の個数: 64

約数和(自身を含む): 510112512

約数和(自身を除く): 304748022

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 103, 123, 205, 206, 246, 309, 410, 515, 615, 618, 1030, 1230, 1545, 1621, 3090, 3242, 4223, 4863, 8105, 8446, 9726, 12669, 16210, 21115, 24315, 25338, 42230, 48630, 63345, 66461, 126690, 132922, 166963, 199383, 332305, 333926, 398766, 500889, 664610, 834815, 996915, 1001778, 1669630, 1993830, 2504445, 5008890, 6845483, 13690966, 20536449, 34227415, 41072898, 68454830, 102682245, 205364490]

約数ペア:

[(1, 205364490), (2, 102682245), (3, 68454830), (5, 41072898), (6, 34227415), (10, 20536449), (15, 13690966), (30, 6845483), (41, 5008890), (82, 2504445), (103, 1993830), (123, 1669630), (205, 1001778), (206, 996915), (246, 834815), (309, 664610), (410, 500889), (515, 398766), (615, 333926), (618, 332305), (1030, 199383), (1230, 166963), (1545, 132922), (1621, 126690), (3090, 66461), (3242, 63345), (4223, 48630), (4863, 42230), (8105, 25338), (8446, 24315), (9726, 21115), (12669, 16210)]