2387990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1277}}^1$

素因数の和:1312

約数の個数: 32

約数和(自身を含む): 4968864

約数和(自身を除く): 2580874

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1277, 1870, 2554, 6385, 12770, 14047, 21709, 28094, 43418, 70235, 108545, 140470, 217090, 238799, 477598, 1193995, 2387990]

約数ペア:

[(1, 2387990), (2, 1193995), (5, 477598), (10, 238799), (11, 217090), (17, 140470), (22, 108545), (34, 70235), (55, 43418), (85, 28094), (110, 21709), (170, 14047), (187, 12770), (374, 6385), (935, 2554), (1277, 1870)]