2760860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 6166272

約数和(自身を除く): 3405412

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 73, 122, 124, 146, 155, 244, 292, 305, 310, 365, 610, 620, 730, 1220, 1460, 1891, 2263, 3782, 4453, 4526, 7564, 8906, 9052, 9455, 11315, 17812, 18910, 22265, 22630, 37820, 44530, 45260, 89060, 138043, 276086, 552172, 690215, 1380430, 2760860]

約数ペア:

[(1, 2760860), (2, 1380430), (4, 690215), (5, 552172), (10, 276086), (20, 138043), (31, 89060), (61, 45260), (62, 44530), (73, 37820), (122, 22630), (124, 22265), (146, 18910), (155, 17812), (244, 11315), (292, 9455), (305, 9052), (310, 8906), (365, 7564), (610, 4526), (620, 4453), (730, 3782), (1220, 2263), (1460, 1891)]