89888140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{743}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 197987328

約数和(自身を除く): 108099188

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 263, 460, 526, 743, 1052, 1315, 1486, 2630, 2972, 3715, 5260, 6049, 7430, 12098, 14860, 17089, 24196, 30245, 34178, 60490, 68356, 85445, 120980, 170890, 195409, 341780, 390818, 781636, 977045, 1954090, 3908180, 4494407, 8988814, 17977628, 22472035, 44944070, 89888140]

約数ペア:

[(1, 89888140), (2, 44944070), (4, 22472035), (5, 17977628), (10, 8988814), (20, 4494407), (23, 3908180), (46, 1954090), (92, 977045), (115, 781636), (230, 390818), (263, 341780), (460, 195409), (526, 170890), (743, 120980), (1052, 85445), (1315, 68356), (1486, 60490), (2630, 34178), (2972, 30245), (3715, 24196), (5260, 17089), (6049, 14860), (7430, 12098)]