2778665000

素因数分解:

$2^3\times 5^4\times {\mathrm{383}}^1\times {\mathrm{1451}}^1$

素因数の和:1860

約数の個数: 80

約数和(自身を含む): 6531909120

約数和(自身を除く): 3753244120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 383, 500, 625, 766, 1000, 1250, 1451, 1532, 1915, 2500, 2902, 3064, 3830, 5000, 5804, 7255, 7660, 9575, 11608, 14510, 15320, 19150, 29020, 36275, 38300, 47875, 58040, 72550, 76600, 95750, 145100, 181375, 191500, 239375, 290200, 362750, 383000, 478750, 555733, 725500, 906875, 957500, 1111466, 1451000, 1813750, 1915000, 2222932, 2778665, 3627500, 4445864, 5557330, 7255000, 11114660, 13893325, 22229320, 27786650, 55573300, 69466625, 111146600, 138933250, 277866500, 347333125, 555733000, 694666250, 1389332500, 2778665000]

約数ペア:

[(1, 2778665000), (2, 1389332500), (4, 694666250), (5, 555733000), (8, 347333125), (10, 277866500), (20, 138933250), (25, 111146600), (40, 69466625), (50, 55573300), (100, 27786650), (125, 22229320), (200, 13893325), (250, 11114660), (383, 7255000), (500, 5557330), (625, 4445864), (766, 3627500), (1000, 2778665), (1250, 2222932), (1451, 1915000), (1532, 1813750), (1915, 1451000), (2500, 1111466), (2902, 957500), (3064, 906875), (3830, 725500), (5000, 555733), (5804, 478750), (7255, 383000), (7660, 362750), (9575, 290200), (11608, 239375), (14510, 191500), (15320, 181375), (19150, 145100), (29020, 95750), (36275, 76600), (38300, 72550), (47875, 58040)]