2019329500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{212561}}^1$

素因数の和:212599

約数の個数: 48

約数和(自身を含む): 4642354080

約数和(自身を除く): 2623024580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2375, 4750, 9500, 212561, 425122, 850244, 1062805, 2125610, 4038659, 4251220, 5314025, 8077318, 10628050, 16154636, 20193295, 21256100, 26570125, 40386590, 53140250, 80773180, 100966475, 106280500, 201932950, 403865900, 504832375, 1009664750, 2019329500]

約数ペア:

[(1, 2019329500), (2, 1009664750), (4, 504832375), (5, 403865900), (10, 201932950), (19, 106280500), (20, 100966475), (25, 80773180), (38, 53140250), (50, 40386590), (76, 26570125), (95, 21256100), (100, 20193295), (125, 16154636), (190, 10628050), (250, 8077318), (380, 5314025), (475, 4251220), (500, 4038659), (950, 2125610), (1900, 1062805), (2375, 850244), (4750, 425122), (9500, 212561)]