7002820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 16228800

約数和(自身を除く): 9225980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 229, 278, 458, 556, 695, 916, 1145, 1390, 1529, 2290, 2519, 2780, 3058, 4580, 5038, 6116, 7645, 10076, 12595, 15290, 25190, 30580, 31831, 50380, 63662, 127324, 159155, 318310, 350141, 636620, 700282, 1400564, 1750705, 3501410, 7002820]

約数ペア:

[(1, 7002820), (2, 3501410), (4, 1750705), (5, 1400564), (10, 700282), (11, 636620), (20, 350141), (22, 318310), (44, 159155), (55, 127324), (110, 63662), (139, 50380), (220, 31831), (229, 30580), (278, 25190), (458, 15290), (556, 12595), (695, 10076), (916, 7645), (1145, 6116), (1390, 5038), (1529, 4580), (2290, 3058), (2519, 2780)]