857519440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{630529}}^1$

素因数の和:630559

約数の個数: 40

約数和(自身を含む): 2111014440

約数和(自身を除く): 1253495000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 630529, 1261058, 2522116, 3152645, 5044232, 6305290, 10088464, 10718993, 12610580, 21437986, 25221160, 42875972, 50442320, 53594965, 85751944, 107189930, 171503888, 214379860, 428759720, 857519440]

約数ペア:

[(1, 857519440), (2, 428759720), (4, 214379860), (5, 171503888), (8, 107189930), (10, 85751944), (16, 53594965), (17, 50442320), (20, 42875972), (34, 25221160), (40, 21437986), (68, 12610580), (80, 10718993), (85, 10088464), (136, 6305290), (170, 5044232), (272, 3152645), (340, 2522116), (680, 1261058), (1360, 630529)]