220087640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{289589}}^1$

素因数の和:289619

約数の個数: 32

約数和(自身を含む): 521262000

約数和(自身を除く): 301174360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 289589, 579178, 1158356, 1447945, 2316712, 2895890, 5502191, 5791780, 11004382, 11583560, 22008764, 27510955, 44017528, 55021910, 110043820, 220087640]

約数ペア:

[(1, 220087640), (2, 110043820), (4, 55021910), (5, 44017528), (8, 27510955), (10, 22008764), (19, 11583560), (20, 11004382), (38, 5791780), (40, 5502191), (76, 2895890), (95, 2316712), (152, 1447945), (190, 1158356), (380, 579178), (760, 289589)]