490351280

素因数分解:

$2^4\times 5^1\times {\mathrm{2129}}^1\times {\mathrm{2879}}^1$

素因数の和:5021

約数の個数: 40

約数和(自身を含む): 1140998400

約数和(自身を除く): 650647120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2129, 2879, 4258, 5758, 8516, 10645, 11516, 14395, 17032, 21290, 23032, 28790, 34064, 42580, 46064, 57580, 85160, 115160, 170320, 230320, 6129391, 12258782, 24517564, 30646955, 49035128, 61293910, 98070256, 122587820, 245175640, 490351280]

約数ペア:

[(1, 490351280), (2, 245175640), (4, 122587820), (5, 98070256), (8, 61293910), (10, 49035128), (16, 30646955), (20, 24517564), (40, 12258782), (80, 6129391), (2129, 230320), (2879, 170320), (4258, 115160), (5758, 85160), (8516, 57580), (10645, 46064), (11516, 42580), (14395, 34064), (17032, 28790), (21290, 23032)]