2009757950

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{6361}}^1$

素因数の和:6533

約数の個数: 48

約数和(自身を含む): 3833995680

約数和(自身を除く): 1824237730

約数列:

[1, 2, 5, 10, 25, 50, 71, 89, 142, 178, 355, 445, 710, 890, 1775, 2225, 3550, 4450, 6319, 6361, 12638, 12722, 31595, 31805, 63190, 63610, 157975, 159025, 315950, 318050, 451631, 566129, 903262, 1132258, 2258155, 2830645, 4516310, 5661290, 11290775, 14153225, 22581550, 28306450, 40195159, 80390318, 200975795, 401951590, 1004878975, 2009757950]

約数ペア:

[(1, 2009757950), (2, 1004878975), (5, 401951590), (10, 200975795), (25, 80390318), (50, 40195159), (71, 28306450), (89, 22581550), (142, 14153225), (178, 11290775), (355, 5661290), (445, 4516310), (710, 2830645), (890, 2258155), (1775, 1132258), (2225, 903262), (3550, 566129), (4450, 451631), (6319, 318050), (6361, 315950), (12638, 159025), (12722, 157975), (31595, 63610), (31805, 63190)]