2931890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1187}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 5987520

約数和(自身を除く): 3055630

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1187, 1235, 2374, 2470, 5935, 11870, 15431, 22553, 30862, 45106, 77155, 112765, 154310, 225530, 293189, 586378, 1465945, 2931890]

約数ペア:

[(1, 2931890), (2, 1465945), (5, 586378), (10, 293189), (13, 225530), (19, 154310), (26, 112765), (38, 77155), (65, 45106), (95, 30862), (130, 22553), (190, 15431), (247, 11870), (494, 5935), (1187, 2470), (1235, 2374)]