282490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:114

約数の個数: 32

約数和(自身を含む): 571536

約数和(自身を除く): 289046

約数列:

[1, 2, 5, 10, 13, 26, 41, 53, 65, 82, 106, 130, 205, 265, 410, 530, 533, 689, 1066, 1378, 2173, 2665, 3445, 4346, 5330, 6890, 10865, 21730, 28249, 56498, 141245, 282490]

約数ペア:

[(1, 282490), (2, 141245), (5, 56498), (10, 28249), (13, 21730), (26, 10865), (41, 6890), (53, 5330), (65, 4346), (82, 3445), (106, 2665), (130, 2173), (205, 1378), (265, 1066), (410, 689), (530, 533)]