129719780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{571}}^1$

素因数の和:924

約数の個数: 48

約数和(自身を含む): 281176896

約数和(自身を除く): 151457116

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 307, 370, 571, 614, 740, 1142, 1228, 1535, 2284, 2855, 3070, 5710, 6140, 11359, 11420, 21127, 22718, 42254, 45436, 56795, 84508, 105635, 113590, 175297, 211270, 227180, 350594, 422540, 701188, 876485, 1752970, 3505940, 6485989, 12971978, 25943956, 32429945, 64859890, 129719780]

約数ペア:

[(1, 129719780), (2, 64859890), (4, 32429945), (5, 25943956), (10, 12971978), (20, 6485989), (37, 3505940), (74, 1752970), (148, 876485), (185, 701188), (307, 422540), (370, 350594), (571, 227180), (614, 211270), (740, 175297), (1142, 113590), (1228, 105635), (1535, 84508), (2284, 56795), (2855, 45436), (3070, 42254), (5710, 22718), (6140, 21127), (11359, 11420)]