7947700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 18748800

約数和(自身を除く): 10801100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 47, 50, 76, 89, 94, 95, 100, 178, 188, 190, 235, 356, 380, 445, 470, 475, 890, 893, 940, 950, 1175, 1691, 1780, 1786, 1900, 2225, 2350, 3382, 3572, 4183, 4450, 4465, 4700, 6764, 8366, 8455, 8900, 8930, 16732, 16910, 17860, 20915, 22325, 33820, 41830, 42275, 44650, 79477, 83660, 84550, 89300, 104575, 158954, 169100, 209150, 317908, 397385, 418300, 794770, 1589540, 1986925, 3973850, 7947700]

約数ペア:

[(1, 7947700), (2, 3973850), (4, 1986925), (5, 1589540), (10, 794770), (19, 418300), (20, 397385), (25, 317908), (38, 209150), (47, 169100), (50, 158954), (76, 104575), (89, 89300), (94, 84550), (95, 83660), (100, 79477), (178, 44650), (188, 42275), (190, 41830), (235, 33820), (356, 22325), (380, 20915), (445, 17860), (470, 16910), (475, 16732), (890, 8930), (893, 8900), (940, 8455), (950, 8366), (1175, 6764), (1691, 4700), (1780, 4465), (1786, 4450), (1900, 4183), (2225, 3572), (2350, 3382)]