68488940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{881}}^1$

素因数の和:939

約数の個数: 72

約数和(自身を含む): 162697248

約数和(自身を除く): 94208308

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 169, 230, 260, 299, 338, 460, 598, 676, 845, 881, 1196, 1495, 1690, 1762, 2990, 3380, 3524, 3887, 4405, 5980, 7774, 8810, 11453, 15548, 17620, 19435, 20263, 22906, 38870, 40526, 45812, 57265, 77740, 81052, 101315, 114530, 148889, 202630, 229060, 263419, 297778, 405260, 526838, 595556, 744445, 1053676, 1317095, 1488890, 2634190, 2977780, 3424447, 5268380, 6848894, 13697788, 17122235, 34244470, 68488940]

約数ペア:

[(1, 68488940), (2, 34244470), (4, 17122235), (5, 13697788), (10, 6848894), (13, 5268380), (20, 3424447), (23, 2977780), (26, 2634190), (46, 1488890), (52, 1317095), (65, 1053676), (92, 744445), (115, 595556), (130, 526838), (169, 405260), (230, 297778), (260, 263419), (299, 229060), (338, 202630), (460, 148889), (598, 114530), (676, 101315), (845, 81052), (881, 77740), (1196, 57265), (1495, 45812), (1690, 40526), (1762, 38870), (2990, 22906), (3380, 20263), (3524, 19435), (3887, 17620), (4405, 15548), (5980, 11453), (7774, 8810)]