18977081750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{1213}}^1\times {\mathrm{5689}}^1$

素因数の和:6930

約数の個数: 64

約数和(自身を含む): 38793418560

約数和(自身を除く): 19816336810

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1213, 1375, 2426, 2750, 5689, 6065, 11378, 12130, 13343, 26686, 28445, 30325, 56890, 60650, 62579, 66715, 125158, 133430, 142225, 151625, 284450, 303250, 312895, 333575, 625790, 667150, 711125, 1422250, 1564475, 1667875, 3128950, 3335750, 6900757, 7822375, 13801514, 15644750, 34503785, 69007570, 75908327, 151816654, 172518925, 345037850, 379541635, 759083270, 862594625, 1725189250, 1897708175, 3795416350, 9488540875, 18977081750]

約数ペア:

[(1, 18977081750), (2, 9488540875), (5, 3795416350), (10, 1897708175), (11, 1725189250), (22, 862594625), (25, 759083270), (50, 379541635), (55, 345037850), (110, 172518925), (125, 151816654), (250, 75908327), (275, 69007570), (550, 34503785), (1213, 15644750), (1375, 13801514), (2426, 7822375), (2750, 6900757), (5689, 3335750), (6065, 3128950), (11378, 1667875), (12130, 1564475), (13343, 1422250), (26686, 711125), (28445, 667150), (30325, 625790), (56890, 333575), (60650, 312895), (62579, 303250), (66715, 284450), (125158, 151625), (133430, 142225)]