424438420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{20347}}^1$

素因数の和:20512

約数の個数: 48

約数和(自身を含む): 1025539200

約数和(自身を除く): 601100780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 10430, 20347, 20860, 40694, 81388, 101735, 142429, 203470, 284858, 406940, 569716, 712145, 1424290, 2848580, 3031703, 6063406, 12126812, 15158515, 21221921, 30317030, 42443842, 60634060, 84887684, 106109605, 212219210, 424438420]

約数ペア:

[(1, 424438420), (2, 212219210), (4, 106109605), (5, 84887684), (7, 60634060), (10, 42443842), (14, 30317030), (20, 21221921), (28, 15158515), (35, 12126812), (70, 6063406), (140, 3031703), (149, 2848580), (298, 1424290), (596, 712145), (745, 569716), (1043, 406940), (1490, 284858), (2086, 203470), (2980, 142429), (4172, 101735), (5215, 81388), (10430, 40694), (20347, 20860)]