2019420400

素因数分解:

$2^4\times 5^2\times {\mathrm{2017}}^1\times {\mathrm{2503}}^1$

素因数の和:4538

約数の個数: 60

約数和(自身を含む): 4856002192

約数和(自身を除く): 2836581792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2017, 2503, 4034, 5006, 8068, 10012, 10085, 12515, 16136, 20024, 20170, 25030, 32272, 40048, 40340, 50060, 50425, 62575, 80680, 100120, 100850, 125150, 161360, 200240, 201700, 250300, 403400, 500600, 806800, 1001200, 5048551, 10097102, 20194204, 25242755, 40388408, 50485510, 80776816, 100971020, 126213775, 201942040, 252427550, 403884080, 504855100, 1009710200, 2019420400]

約数ペア:

[(1, 2019420400), (2, 1009710200), (4, 504855100), (5, 403884080), (8, 252427550), (10, 201942040), (16, 126213775), (20, 100971020), (25, 80776816), (40, 50485510), (50, 40388408), (80, 25242755), (100, 20194204), (200, 10097102), (400, 5048551), (2017, 1001200), (2503, 806800), (4034, 500600), (5006, 403400), (8068, 250300), (10012, 201700), (10085, 200240), (12515, 161360), (16136, 125150), (20024, 100850), (20170, 100120), (25030, 80680), (32272, 62575), (40048, 50425), (40340, 50060)]