28783670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{769}}^1$

素因数の和:992

約数の個数: 32

約数和(自身を含む): 54885600

約数和(自身を除く): 26101930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 197, 394, 769, 985, 1538, 1970, 3743, 3845, 7486, 7690, 14611, 18715, 29222, 37430, 73055, 146110, 151493, 302986, 757465, 1514930, 2878367, 5756734, 14391835, 28783670]

約数ペア:

[(1, 28783670), (2, 14391835), (5, 5756734), (10, 2878367), (19, 1514930), (38, 757465), (95, 302986), (190, 151493), (197, 146110), (394, 73055), (769, 37430), (985, 29222), (1538, 18715), (1970, 14611), (3743, 7690), (3845, 7486)]