280083200

素因数分解:

$2^8\times 5^2\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:542

約数の個数: 108

約数和(自身を含む): 701439480

約数和(自身を除く): 421356280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 107, 128, 160, 200, 214, 256, 320, 400, 409, 428, 535, 640, 800, 818, 856, 1070, 1280, 1600, 1636, 1712, 2045, 2140, 2675, 3200, 3272, 3424, 4090, 4280, 5350, 6400, 6544, 6848, 8180, 8560, 10225, 10700, 13088, 13696, 16360, 17120, 20450, 21400, 26176, 27392, 32720, 34240, 40900, 42800, 43763, 52352, 65440, 68480, 81800, 85600, 87526, 104704, 130880, 136960, 163600, 171200, 175052, 218815, 261760, 327200, 342400, 350104, 437630, 523520, 654400, 684800, 700208, 875260, 1094075, 1308800, 1400416, 1750520, 2188150, 2617600, 2800832, 3501040, 4376300, 5601664, 7002080, 8752600, 11203328, 14004160, 17505200, 28008320, 35010400, 56016640, 70020800, 140041600, 280083200]

約数ペア:

[(1, 280083200), (2, 140041600), (4, 70020800), (5, 56016640), (8, 35010400), (10, 28008320), (16, 17505200), (20, 14004160), (25, 11203328), (32, 8752600), (40, 7002080), (50, 5601664), (64, 4376300), (80, 3501040), (100, 2800832), (107, 2617600), (128, 2188150), (160, 1750520), (200, 1400416), (214, 1308800), (256, 1094075), (320, 875260), (400, 700208), (409, 684800), (428, 654400), (535, 523520), (640, 437630), (800, 350104), (818, 342400), (856, 327200), (1070, 261760), (1280, 218815), (1600, 175052), (1636, 171200), (1712, 163600), (2045, 136960), (2140, 130880), (2675, 104704), (3200, 87526), (3272, 85600), (3424, 81800), (4090, 68480), (4280, 65440), (5350, 52352), (6400, 43763), (6544, 42800), (6848, 40900), (8180, 34240), (8560, 32720), (10225, 27392), (10700, 26176), (13088, 21400), (13696, 20450), (16360, 17120)]