91918820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{1789}}^1$

素因数の和:2172

約数の個数: 48

約数和(自身を含む): 221329920

約数和(自身を除く): 129411100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 367, 734, 1468, 1789, 1835, 2569, 3578, 3670, 5138, 7156, 7340, 8945, 10276, 12523, 12845, 17890, 25046, 25690, 35780, 50092, 51380, 62615, 125230, 250460, 656563, 1313126, 2626252, 3282815, 4595941, 6565630, 9191882, 13131260, 18383764, 22979705, 45959410, 91918820]

約数ペア:

[(1, 91918820), (2, 45959410), (4, 22979705), (5, 18383764), (7, 13131260), (10, 9191882), (14, 6565630), (20, 4595941), (28, 3282815), (35, 2626252), (70, 1313126), (140, 656563), (367, 250460), (734, 125230), (1468, 62615), (1789, 51380), (1835, 50092), (2569, 35780), (3578, 25690), (3670, 25046), (5138, 17890), (7156, 12845), (7340, 12523), (8945, 10276)]