319625740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{5869}}^1$

素因数の和:6274

約数の個数: 48

約数和(自身を含む): 769204800

約数和(自身を除く): 449579060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 778, 1556, 1945, 2723, 3890, 5446, 5869, 7780, 10892, 11738, 13615, 23476, 27230, 29345, 41083, 54460, 58690, 82166, 117380, 164332, 205415, 410830, 821660, 2283041, 4566082, 9132164, 11415205, 15981287, 22830410, 31962574, 45660820, 63925148, 79906435, 159812870, 319625740]

約数ペア:

[(1, 319625740), (2, 159812870), (4, 79906435), (5, 63925148), (7, 45660820), (10, 31962574), (14, 22830410), (20, 15981287), (28, 11415205), (35, 9132164), (70, 4566082), (140, 2283041), (389, 821660), (778, 410830), (1556, 205415), (1945, 164332), (2723, 117380), (3890, 82166), (5446, 58690), (5869, 54460), (7780, 41083), (10892, 29345), (11738, 27230), (13615, 23476)]