455429380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{7727}}^1$

素因数の和:8164

約数の個数: 48

約数和(自身を含む): 1095768576

約数和(自身を除く): 640339196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 842, 1684, 2105, 2947, 4210, 5894, 7727, 8420, 11788, 14735, 15454, 29470, 30908, 38635, 54089, 58940, 77270, 108178, 154540, 216356, 270445, 540890, 1081780, 3253067, 6506134, 13012268, 16265335, 22771469, 32530670, 45542938, 65061340, 91085876, 113857345, 227714690, 455429380]

約数ペア:

[(1, 455429380), (2, 227714690), (4, 113857345), (5, 91085876), (7, 65061340), (10, 45542938), (14, 32530670), (20, 22771469), (28, 16265335), (35, 13012268), (70, 6506134), (140, 3253067), (421, 1081780), (842, 540890), (1684, 270445), (2105, 216356), (2947, 154540), (4210, 108178), (5894, 77270), (7727, 58940), (8420, 54089), (11788, 38635), (14735, 30908), (15454, 29470)]