281480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 656640

約数和(自身を除く): 375160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 227, 248, 310, 454, 620, 908, 1135, 1240, 1816, 2270, 4540, 7037, 9080, 14074, 28148, 35185, 56296, 70370, 140740, 281480]

約数ペア:

[(1, 281480), (2, 140740), (4, 70370), (5, 56296), (8, 35185), (10, 28148), (20, 14074), (31, 9080), (40, 7037), (62, 4540), (124, 2270), (155, 1816), (227, 1240), (248, 1135), (310, 908), (454, 620)]