15895400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 40176000

約数和(自身を除く): 24280600

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 47, 50, 76, 89, 94, 95, 100, 152, 178, 188, 190, 200, 235, 356, 376, 380, 445, 470, 475, 712, 760, 890, 893, 940, 950, 1175, 1691, 1780, 1786, 1880, 1900, 2225, 2350, 3382, 3560, 3572, 3800, 4183, 4450, 4465, 4700, 6764, 7144, 8366, 8455, 8900, 8930, 9400, 13528, 16732, 16910, 17800, 17860, 20915, 22325, 33464, 33820, 35720, 41830, 42275, 44650, 67640, 79477, 83660, 84550, 89300, 104575, 158954, 167320, 169100, 178600, 209150, 317908, 338200, 397385, 418300, 635816, 794770, 836600, 1589540, 1986925, 3179080, 3973850, 7947700, 15895400]

約数ペア:

[(1, 15895400), (2, 7947700), (4, 3973850), (5, 3179080), (8, 1986925), (10, 1589540), (19, 836600), (20, 794770), (25, 635816), (38, 418300), (40, 397385), (47, 338200), (50, 317908), (76, 209150), (89, 178600), (94, 169100), (95, 167320), (100, 158954), (152, 104575), (178, 89300), (188, 84550), (190, 83660), (200, 79477), (235, 67640), (356, 44650), (376, 42275), (380, 41830), (445, 35720), (470, 33820), (475, 33464), (712, 22325), (760, 20915), (890, 17860), (893, 17800), (940, 16910), (950, 16732), (1175, 13528), (1691, 9400), (1780, 8930), (1786, 8900), (1880, 8455), (1900, 8366), (2225, 7144), (2350, 6764), (3382, 4700), (3560, 4465), (3572, 4450), (3800, 4183)]