31301530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{109}}^1$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 62564040

約数和(自身を除く): 31262510

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 109, 130, 218, 235, 470, 545, 611, 1090, 1222, 1417, 2209, 2834, 3055, 4418, 5123, 6110, 7085, 10246, 11045, 14170, 22090, 25615, 28717, 51230, 57434, 66599, 133198, 143585, 240781, 287170, 332995, 481562, 665990, 1203905, 2407810, 3130153, 6260306, 15650765, 31301530]

約数ペア:

[(1, 31301530), (2, 15650765), (5, 6260306), (10, 3130153), (13, 2407810), (26, 1203905), (47, 665990), (65, 481562), (94, 332995), (109, 287170), (130, 240781), (218, 143585), (235, 133198), (470, 66599), (545, 57434), (611, 51230), (1090, 28717), (1222, 25615), (1417, 22090), (2209, 14170), (2834, 11045), (3055, 10246), (4418, 7085), (5123, 6110)]