2882000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1$

素因数の和:165

約数の個数: 80

約数和(自身を含む): 7660224

約数和(自身を除く): 4778224

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 131, 176, 200, 220, 250, 262, 275, 400, 440, 500, 524, 550, 655, 880, 1000, 1048, 1100, 1310, 1375, 1441, 2000, 2096, 2200, 2620, 2750, 2882, 3275, 4400, 5240, 5500, 5764, 6550, 7205, 10480, 11000, 11528, 13100, 14410, 16375, 22000, 23056, 26200, 28820, 32750, 36025, 52400, 57640, 65500, 72050, 115280, 131000, 144100, 180125, 262000, 288200, 360250, 576400, 720500, 1441000, 2882000]

約数ペア:

[(1, 2882000), (2, 1441000), (4, 720500), (5, 576400), (8, 360250), (10, 288200), (11, 262000), (16, 180125), (20, 144100), (22, 131000), (25, 115280), (40, 72050), (44, 65500), (50, 57640), (55, 52400), (80, 36025), (88, 32750), (100, 28820), (110, 26200), (125, 23056), (131, 22000), (176, 16375), (200, 14410), (220, 13100), (250, 11528), (262, 11000), (275, 10480), (400, 7205), (440, 6550), (500, 5764), (524, 5500), (550, 5240), (655, 4400), (880, 3275), (1000, 2882), (1048, 2750), (1100, 2620), (1310, 2200), (1375, 2096), (1441, 2000)]