389969110

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{5881}}^1$

素因数の和:6256

約数の個数: 32

約数和(自身を含む): 741132000

約数和(自身を除く): 351162890

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 349, 698, 1745, 3490, 5881, 6631, 11762, 13262, 29405, 33155, 58810, 66310, 111739, 223478, 558695, 1117390, 2052469, 4104938, 10262345, 20524690, 38996911, 77993822, 194984555, 389969110]

約数ペア:

[(1, 389969110), (2, 194984555), (5, 77993822), (10, 38996911), (19, 20524690), (38, 10262345), (95, 4104938), (190, 2052469), (349, 1117390), (698, 558695), (1745, 223478), (3490, 111739), (5881, 66310), (6631, 58810), (11762, 33155), (13262, 29405)]