419849270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{31123}}^1$

素因数の和:31220

約数の個数: 32

約数和(自身を含む): 806734080

約数和(自身を除く): 386884810

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2698, 6745, 13490, 31123, 62246, 155615, 311230, 591337, 1182674, 2209733, 2956685, 4419466, 5913370, 11048665, 22097330, 41984927, 83969854, 209924635, 419849270]

約数ペア:

[(1, 419849270), (2, 209924635), (5, 83969854), (10, 41984927), (19, 22097330), (38, 11048665), (71, 5913370), (95, 4419466), (142, 2956685), (190, 2209733), (355, 1182674), (710, 591337), (1349, 311230), (2698, 155615), (6745, 62246), (13490, 31123)]