54740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:56

約数の個数: 48

約数和(自身を含む): 145152

約数和(自身を除く): 90412

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 28, 34, 35, 46, 68, 70, 85, 92, 115, 119, 140, 161, 170, 230, 238, 322, 340, 391, 460, 476, 595, 644, 782, 805, 1190, 1564, 1610, 1955, 2380, 2737, 3220, 3910, 5474, 7820, 10948, 13685, 27370, 54740]

約数ペア:

[(1, 54740), (2, 27370), (4, 13685), (5, 10948), (7, 7820), (10, 5474), (14, 3910), (17, 3220), (20, 2737), (23, 2380), (28, 1955), (34, 1610), (35, 1564), (46, 1190), (68, 805), (70, 782), (85, 644), (92, 595), (115, 476), (119, 460), (140, 391), (161, 340), (170, 322), (230, 238)]