128200220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{337369}}^1$

素因数の和:337397

約数の個数: 24

約数和(自身を含む): 283390800

約数和(自身を除く): 155190580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 337369, 674738, 1349476, 1686845, 3373690, 6410011, 6747380, 12820022, 25640044, 32050055, 64100110, 128200220]

約数ペア:

[(1, 128200220), (2, 64100110), (4, 32050055), (5, 25640044), (10, 12820022), (19, 6747380), (20, 6410011), (38, 3373690), (76, 1686845), (95, 1349476), (190, 674738), (380, 337369)]