1640146340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11715331}}^1$

素因数の和:11715347

約数の個数: 24

約数和(自身を含む): 3936351552

約数和(自身を除く): 2296205212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11715331, 23430662, 46861324, 58576655, 82007317, 117153310, 164014634, 234306620, 328029268, 410036585, 820073170, 1640146340]

約数ペア:

[(1, 1640146340), (2, 820073170), (4, 410036585), (5, 328029268), (7, 234306620), (10, 164014634), (14, 117153310), (20, 82007317), (28, 58576655), (35, 46861324), (70, 23430662), (140, 11715331)]