388615780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1109}}^1\times {\mathrm{2503}}^1$

素因数の和:3628

約数の個数: 48

約数和(自身を含む): 933891840

約数和(自身を除く): 545276060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1109, 2218, 2503, 4436, 5006, 5545, 7763, 10012, 11090, 12515, 15526, 17521, 22180, 25030, 31052, 35042, 38815, 50060, 70084, 77630, 87605, 155260, 175210, 350420, 2775827, 5551654, 11103308, 13879135, 19430789, 27758270, 38861578, 55516540, 77723156, 97153945, 194307890, 388615780]

約数ペア:

[(1, 388615780), (2, 194307890), (4, 97153945), (5, 77723156), (7, 55516540), (10, 38861578), (14, 27758270), (20, 19430789), (28, 13879135), (35, 11103308), (70, 5551654), (140, 2775827), (1109, 350420), (2218, 175210), (2503, 155260), (4436, 87605), (5006, 77630), (5545, 70084), (7763, 50060), (10012, 38815), (11090, 35042), (12515, 31052), (15526, 25030), (17521, 22180)]