1661740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4373}}^1$

素因数の和:4401

約数の個数: 24

約数和(自身を含む): 3674160

約数和(自身を除く): 2012420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 4373, 8746, 17492, 21865, 43730, 83087, 87460, 166174, 332348, 415435, 830870, 1661740]

約数ペア:

[(1, 1661740), (2, 830870), (4, 415435), (5, 332348), (10, 166174), (19, 87460), (20, 83087), (38, 43730), (76, 21865), (95, 17492), (190, 8746), (380, 4373)]