990352690

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{20551}}^1$

素因数の和:20698

約数の個数: 32

約数和(自身を含む): 1834882560

約数和(自身を除く): 844529870

約数列:

[1, 2, 5, 10, 61, 79, 122, 158, 305, 395, 610, 790, 4819, 9638, 20551, 24095, 41102, 48190, 102755, 205510, 1253611, 1623529, 2507222, 3247058, 6268055, 8117645, 12536110, 16235290, 99035269, 198070538, 495176345, 990352690]

約数ペア:

[(1, 990352690), (2, 495176345), (5, 198070538), (10, 99035269), (61, 16235290), (79, 12536110), (122, 8117645), (158, 6268055), (305, 3247058), (395, 2507222), (610, 1623529), (790, 1253611), (4819, 205510), (9638, 102755), (20551, 48190), (24095, 41102)]