11118770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 22521240

約数和(自身を除く): 11402470

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 89, 130, 155, 178, 310, 403, 445, 806, 890, 961, 1157, 1922, 2015, 2314, 2759, 4030, 4805, 5518, 5785, 9610, 11570, 12493, 13795, 24986, 27590, 35867, 62465, 71734, 85529, 124930, 171058, 179335, 358670, 427645, 855290, 1111877, 2223754, 5559385, 11118770]

約数ペア:

[(1, 11118770), (2, 5559385), (5, 2223754), (10, 1111877), (13, 855290), (26, 427645), (31, 358670), (62, 179335), (65, 171058), (89, 124930), (130, 85529), (155, 71734), (178, 62465), (310, 35867), (403, 27590), (445, 24986), (806, 13795), (890, 12493), (961, 11570), (1157, 9610), (1922, 5785), (2015, 5518), (2314, 4805), (2759, 4030)]