2212340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 5117952

約数和(自身を除く): 2905612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 127, 130, 134, 254, 260, 268, 335, 508, 635, 670, 871, 1270, 1340, 1651, 1742, 2540, 3302, 3484, 4355, 6604, 8255, 8509, 8710, 16510, 17018, 17420, 33020, 34036, 42545, 85090, 110617, 170180, 221234, 442468, 553085, 1106170, 2212340]

約数ペア:

[(1, 2212340), (2, 1106170), (4, 553085), (5, 442468), (10, 221234), (13, 170180), (20, 110617), (26, 85090), (52, 42545), (65, 34036), (67, 33020), (127, 17420), (130, 17018), (134, 16510), (254, 8710), (260, 8509), (268, 8255), (335, 6604), (508, 4355), (635, 3484), (670, 3302), (871, 2540), (1270, 1742), (1340, 1651)]