51383850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{6991}}^1$

素因数の和:7020

約数の個数: 72

約数和(自身を含む): 148258368

約数和(自身を除く): 96874518

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 98, 105, 147, 150, 175, 210, 245, 294, 350, 490, 525, 735, 1050, 1225, 1470, 2450, 3675, 6991, 7350, 13982, 20973, 34955, 41946, 48937, 69910, 97874, 104865, 146811, 174775, 209730, 244685, 293622, 342559, 349550, 489370, 524325, 685118, 734055, 1027677, 1048650, 1223425, 1468110, 1712795, 2055354, 2446850, 3425590, 3670275, 5138385, 7340550, 8563975, 10276770, 17127950, 25691925, 51383850]

約数ペア:

[(1, 51383850), (2, 25691925), (3, 17127950), (5, 10276770), (6, 8563975), (7, 7340550), (10, 5138385), (14, 3670275), (15, 3425590), (21, 2446850), (25, 2055354), (30, 1712795), (35, 1468110), (42, 1223425), (49, 1048650), (50, 1027677), (70, 734055), (75, 685118), (98, 524325), (105, 489370), (147, 349550), (150, 342559), (175, 293622), (210, 244685), (245, 209730), (294, 174775), (350, 146811), (490, 104865), (525, 97874), (735, 69910), (1050, 48937), (1225, 41946), (1470, 34955), (2450, 20973), (3675, 13982), (6991, 7350)]