9997980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{593}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 28141344

約数和(自身を除く): 18143364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 281, 562, 593, 843, 1124, 1186, 1405, 1686, 1779, 2372, 2810, 2965, 3372, 3558, 4215, 5620, 5930, 7116, 8430, 8895, 11860, 16860, 17790, 35580, 166633, 333266, 499899, 666532, 833165, 999798, 1666330, 1999596, 2499495, 3332660, 4998990, 9997980]

約数ペア:

[(1, 9997980), (2, 4998990), (3, 3332660), (4, 2499495), (5, 1999596), (6, 1666330), (10, 999798), (12, 833165), (15, 666532), (20, 499899), (30, 333266), (60, 166633), (281, 35580), (562, 17790), (593, 16860), (843, 11860), (1124, 8895), (1186, 8430), (1405, 7116), (1686, 5930), (1779, 5620), (2372, 4215), (2810, 3558), (2965, 3372)]