2278000

素因数分解:

$2^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:107

約数の個数: 80

約数和(自身を含む): 5919264

約数和(自身を除く): 3641264

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 67, 68, 80, 85, 100, 125, 134, 136, 170, 200, 250, 268, 272, 335, 340, 400, 425, 500, 536, 670, 680, 850, 1000, 1072, 1139, 1340, 1360, 1675, 1700, 2000, 2125, 2278, 2680, 3350, 3400, 4250, 4556, 5360, 5695, 6700, 6800, 8375, 8500, 9112, 11390, 13400, 16750, 17000, 18224, 22780, 26800, 28475, 33500, 34000, 45560, 56950, 67000, 91120, 113900, 134000, 142375, 227800, 284750, 455600, 569500, 1139000, 2278000]

約数ペア:

[(1, 2278000), (2, 1139000), (4, 569500), (5, 455600), (8, 284750), (10, 227800), (16, 142375), (17, 134000), (20, 113900), (25, 91120), (34, 67000), (40, 56950), (50, 45560), (67, 34000), (68, 33500), (80, 28475), (85, 26800), (100, 22780), (125, 18224), (134, 17000), (136, 16750), (170, 13400), (200, 11390), (250, 9112), (268, 8500), (272, 8375), (335, 6800), (340, 6700), (400, 5695), (425, 5360), (500, 4556), (536, 4250), (670, 3400), (680, 3350), (850, 2680), (1000, 2278), (1072, 2125), (1139, 2000), (1340, 1700), (1360, 1675)]