56781500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 96

約数和(自身を含む): 134534400

約数和(自身を除く): 77752900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 125, 139, 172, 190, 215, 250, 278, 380, 430, 475, 500, 556, 695, 817, 860, 950, 1075, 1390, 1634, 1900, 2150, 2375, 2641, 2780, 3268, 3475, 4085, 4300, 4750, 5282, 5375, 5977, 6950, 8170, 9500, 10564, 10750, 11954, 13205, 13900, 16340, 17375, 20425, 21500, 23908, 26410, 29885, 34750, 40850, 52820, 59770, 66025, 69500, 81700, 102125, 113563, 119540, 132050, 149425, 204250, 227126, 264100, 298850, 330125, 408500, 454252, 567815, 597700, 660250, 747125, 1135630, 1320500, 1494250, 2271260, 2839075, 2988500, 5678150, 11356300, 14195375, 28390750, 56781500]

約数ペア:

[(1, 56781500), (2, 28390750), (4, 14195375), (5, 11356300), (10, 5678150), (19, 2988500), (20, 2839075), (25, 2271260), (38, 1494250), (43, 1320500), (50, 1135630), (76, 747125), (86, 660250), (95, 597700), (100, 567815), (125, 454252), (139, 408500), (172, 330125), (190, 298850), (215, 264100), (250, 227126), (278, 204250), (380, 149425), (430, 132050), (475, 119540), (500, 113563), (556, 102125), (695, 81700), (817, 69500), (860, 66025), (950, 59770), (1075, 52820), (1390, 40850), (1634, 34750), (1900, 29885), (2150, 26410), (2375, 23908), (2641, 21500), (2780, 20425), (3268, 17375), (3475, 16340), (4085, 13900), (4300, 13205), (4750, 11954), (5282, 10750), (5375, 10564), (5977, 9500), (6950, 8170)]