211291280

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{17491}}^1$

素因数の和:17655

約数の個数: 40

約数和(自身を含む): 494533824

約数和(自身を除く): 283242544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 2416, 3020, 6040, 12080, 17491, 34982, 69964, 87455, 139928, 174910, 279856, 349820, 699640, 1399280, 2641141, 5282282, 10564564, 13205705, 21129128, 26411410, 42258256, 52822820, 105645640, 211291280]

約数ペア:

[(1, 211291280), (2, 105645640), (4, 52822820), (5, 42258256), (8, 26411410), (10, 21129128), (16, 13205705), (20, 10564564), (40, 5282282), (80, 2641141), (151, 1399280), (302, 699640), (604, 349820), (755, 279856), (1208, 174910), (1510, 139928), (2416, 87455), (3020, 69964), (6040, 34982), (12080, 17491)]