189743240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^2\times {\mathrm{941}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 433480140

約数和(自身を除く): 243736900

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 941, 1420, 1882, 2840, 3764, 4705, 5041, 7528, 9410, 10082, 18820, 20164, 25205, 37640, 40328, 50410, 66811, 100820, 133622, 201640, 267244, 334055, 534488, 668110, 1336220, 2672440, 4743581, 9487162, 18974324, 23717905, 37948648, 47435810, 94871620, 189743240]

約数ペア:

[(1, 189743240), (2, 94871620), (4, 47435810), (5, 37948648), (8, 23717905), (10, 18974324), (20, 9487162), (40, 4743581), (71, 2672440), (142, 1336220), (284, 668110), (355, 534488), (568, 334055), (710, 267244), (941, 201640), (1420, 133622), (1882, 100820), (2840, 66811), (3764, 50410), (4705, 40328), (5041, 37640), (7528, 25205), (9410, 20164), (10082, 18820)]