1489722745

素因数分解:

$5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{20201}}^1$

素因数の和:20270

約数の個数: 32

約数和(自身を含む): 2133331200

約数和(自身を除く): 643608455

約数列:

[1, 5, 7, 35, 43, 49, 215, 245, 301, 343, 1505, 1715, 2107, 10535, 14749, 20201, 73745, 101005, 141407, 707035, 868643, 989849, 4343215, 4949245, 6080501, 6928943, 30402505, 34644715, 42563507, 212817535, 297944549, 1489722745]

約数ペア:

[(1, 1489722745), (5, 297944549), (7, 212817535), (35, 42563507), (43, 34644715), (49, 30402505), (215, 6928943), (245, 6080501), (301, 4949245), (343, 4343215), (1505, 989849), (1715, 868643), (2107, 707035), (10535, 141407), (14749, 101005), (20201, 73745)]