2181100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1283}}^1$

素因数の和:1314

約数の個数: 36

約数和(自身を含む): 5015304

約数和(自身を除く): 2834204

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1283, 1700, 2566, 5132, 6415, 12830, 21811, 25660, 32075, 43622, 64150, 87244, 109055, 128300, 218110, 436220, 545275, 1090550, 2181100]

約数ペア:

[(1, 2181100), (2, 1090550), (4, 545275), (5, 436220), (10, 218110), (17, 128300), (20, 109055), (25, 87244), (34, 64150), (50, 43622), (68, 32075), (85, 25660), (100, 21811), (170, 12830), (340, 6415), (425, 5132), (850, 2566), (1283, 1700)]