893620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 2314368

約数和(自身を除く): 1420748

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 491, 910, 982, 1820, 1964, 2455, 3437, 4910, 6383, 6874, 9820, 12766, 13748, 17185, 25532, 31915, 34370, 44681, 63830, 68740, 89362, 127660, 178724, 223405, 446810, 893620]

約数ペア:

[(1, 893620), (2, 446810), (4, 223405), (5, 178724), (7, 127660), (10, 89362), (13, 68740), (14, 63830), (20, 44681), (26, 34370), (28, 31915), (35, 25532), (52, 17185), (65, 13748), (70, 12766), (91, 9820), (130, 6874), (140, 6383), (182, 4910), (260, 3437), (364, 2455), (455, 1964), (491, 1820), (910, 982)]