1837480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 4199040

約数和(自身を除く): 2361560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 647, 710, 1294, 1420, 2588, 2840, 3235, 5176, 6470, 12940, 25880, 45937, 91874, 183748, 229685, 367496, 459370, 918740, 1837480]

約数ペア:

[(1, 1837480), (2, 918740), (4, 459370), (5, 367496), (8, 229685), (10, 183748), (20, 91874), (40, 45937), (71, 25880), (142, 12940), (284, 6470), (355, 5176), (568, 3235), (647, 2840), (710, 2588), (1294, 1420)]