209145780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{387307}}^1$

素因数の和:387325

約数の個数: 48

約数和(自身を含む): 650677440

約数和(自身を除く): 441531660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 387307, 774614, 1161921, 1549228, 1936535, 2323842, 3485763, 3873070, 4647684, 5809605, 6971526, 7746140, 10457289, 11619210, 13943052, 17428815, 20914578, 23238420, 34857630, 41829156, 52286445, 69715260, 104572890, 209145780]

約数ペア:

[(1, 209145780), (2, 104572890), (3, 69715260), (4, 52286445), (5, 41829156), (6, 34857630), (9, 23238420), (10, 20914578), (12, 17428815), (15, 13943052), (18, 11619210), (20, 10457289), (27, 7746140), (30, 6971526), (36, 5809605), (45, 4647684), (54, 3873070), (60, 3485763), (90, 2323842), (108, 1936535), (135, 1549228), (180, 1161921), (270, 774614), (540, 387307)]