138183920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{35251}}^1$

素因数の和:35278

約数の個数: 60

約数和(自身を含む): 373741704

約数和(自身を除く): 235557784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 35251, 70502, 141004, 176255, 246757, 282008, 352510, 493514, 564016, 705020, 987028, 1233785, 1410040, 1727299, 1974056, 2467570, 2820080, 3454598, 3948112, 4935140, 6909196, 8636495, 9870280, 13818392, 17272990, 19740560, 27636784, 34545980, 69091960, 138183920]

約数ペア:

[(1, 138183920), (2, 69091960), (4, 34545980), (5, 27636784), (7, 19740560), (8, 17272990), (10, 13818392), (14, 9870280), (16, 8636495), (20, 6909196), (28, 4935140), (35, 3948112), (40, 3454598), (49, 2820080), (56, 2467570), (70, 1974056), (80, 1727299), (98, 1410040), (112, 1233785), (140, 987028), (196, 705020), (245, 564016), (280, 493514), (392, 352510), (490, 282008), (560, 246757), (784, 176255), (980, 141004), (1960, 70502), (3920, 35251)]