181540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 395640

約数和(自身を除く): 214100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 313, 580, 626, 1252, 1565, 3130, 6260, 9077, 18154, 36308, 45385, 90770, 181540]

約数ペア:

[(1, 181540), (2, 90770), (4, 45385), (5, 36308), (10, 18154), (20, 9077), (29, 6260), (58, 3130), (116, 1565), (145, 1252), (290, 626), (313, 580)]