210004876820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5231}}^1\times {\mathrm{25409}}^1$

素因数の和:30728

約数の個数: 48

約数和(自身を含む): 446695603200

約数和(自身を除く): 236690726380

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 5231, 10462, 20924, 25409, 26155, 50818, 52310, 101636, 104620, 127045, 254090, 413249, 508180, 826498, 1652996, 2007311, 2066245, 4014622, 4132490, 8029244, 8264980, 10036555, 20073110, 40146220, 132914479, 265828958, 531657916, 664572395, 1329144790, 2658289580, 10500243841, 21000487682, 42000975364, 52501219205, 105002438410, 210004876820]

約数ペア:

[(1, 210004876820), (2, 105002438410), (4, 52501219205), (5, 42000975364), (10, 21000487682), (20, 10500243841), (79, 2658289580), (158, 1329144790), (316, 664572395), (395, 531657916), (790, 265828958), (1580, 132914479), (5231, 40146220), (10462, 20073110), (20924, 10036555), (25409, 8264980), (26155, 8029244), (50818, 4132490), (52310, 4014622), (101636, 2066245), (104620, 2007311), (127045, 1652996), (254090, 826498), (413249, 508180)]