799212980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1\times {\mathrm{1409}}^1$

素因数の和:1856

約数の個数: 48

約数和(自身を含む): 1705536000

約数和(自身を除く): 906323020

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 359, 395, 718, 790, 1409, 1436, 1580, 1795, 2818, 3590, 5636, 7045, 7180, 14090, 28180, 28361, 56722, 111311, 113444, 141805, 222622, 283610, 445244, 505831, 556555, 567220, 1011662, 1113110, 2023324, 2226220, 2529155, 5058310, 10116620, 39960649, 79921298, 159842596, 199803245, 399606490, 799212980]

約数ペア:

[(1, 799212980), (2, 399606490), (4, 199803245), (5, 159842596), (10, 79921298), (20, 39960649), (79, 10116620), (158, 5058310), (316, 2529155), (359, 2226220), (395, 2023324), (718, 1113110), (790, 1011662), (1409, 567220), (1436, 556555), (1580, 505831), (1795, 445244), (2818, 283610), (3590, 222622), (5636, 141805), (7045, 113444), (7180, 111311), (14090, 56722), (28180, 28361)]