1447720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2129}}^1$

素因数の和:2157

約数の個数: 32

約数和(自身を含む): 3450600

約数和(自身を除く): 2002880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 2129, 4258, 8516, 10645, 17032, 21290, 36193, 42580, 72386, 85160, 144772, 180965, 289544, 361930, 723860, 1447720]

約数ペア:

[(1, 1447720), (2, 723860), (4, 361930), (5, 289544), (8, 180965), (10, 144772), (17, 85160), (20, 72386), (34, 42580), (40, 36193), (68, 21290), (85, 17032), (136, 10645), (170, 8516), (340, 4258), (680, 2129)]