122380840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{28069}}^1$

素因数の和:28189

約数の個数: 32

約数和(自身を含む): 277893000

約数和(自身を除く): 155512160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 28069, 56138, 112276, 140345, 224552, 280690, 561380, 1122760, 3059521, 6119042, 12238084, 15297605, 24476168, 30595210, 61190420, 122380840]

約数ペア:

[(1, 122380840), (2, 61190420), (4, 30595210), (5, 24476168), (8, 15297605), (10, 12238084), (20, 6119042), (40, 3059521), (109, 1122760), (218, 561380), (436, 280690), (545, 224552), (872, 140345), (1090, 112276), (2180, 56138), (4360, 28069)]