720474490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1\times {\mathrm{5807}}^1$

素因数の和:6486

約数の個数: 32

約数和(自身を含む): 1367435520

約数和(自身を除く): 646961030

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 653, 1306, 3265, 5807, 6530, 11614, 12407, 24814, 29035, 58070, 62035, 110333, 124070, 220666, 551665, 1103330, 3791971, 7583942, 18959855, 37919710, 72047449, 144094898, 360237245, 720474490]

約数ペア:

[(1, 720474490), (2, 360237245), (5, 144094898), (10, 72047449), (19, 37919710), (38, 18959855), (95, 7583942), (190, 3791971), (653, 1103330), (1306, 551665), (3265, 220666), (5807, 124070), (6530, 110333), (11614, 62035), (12407, 58070), (24814, 29035)]