31091860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 68656896

約数和(自身を除く): 37565036

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 257, 263, 460, 514, 526, 1028, 1052, 1285, 1315, 2570, 2630, 5140, 5260, 5911, 6049, 11822, 12098, 23644, 24196, 29555, 30245, 59110, 60490, 67591, 118220, 120980, 135182, 270364, 337955, 675910, 1351820, 1554593, 3109186, 6218372, 7772965, 15545930, 31091860]

約数ペア:

[(1, 31091860), (2, 15545930), (4, 7772965), (5, 6218372), (10, 3109186), (20, 1554593), (23, 1351820), (46, 675910), (92, 337955), (115, 270364), (230, 135182), (257, 120980), (263, 118220), (460, 67591), (514, 60490), (526, 59110), (1028, 30245), (1052, 29555), (1285, 24196), (1315, 23644), (2570, 12098), (2630, 11822), (5140, 6049), (5260, 5911)]