11428120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1367}}^1$

素因数の和:1408

約数の個数: 64

約数和(自身を含む): 29548800

約数和(自身を除く): 18120680

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1367, 1672, 2090, 2734, 4180, 5468, 6835, 8360, 10936, 13670, 15037, 25973, 27340, 30074, 51946, 54680, 60148, 75185, 103892, 120296, 129865, 150370, 207784, 259730, 285703, 300740, 519460, 571406, 601480, 1038920, 1142812, 1428515, 2285624, 2857030, 5714060, 11428120]

約数ペア:

[(1, 11428120), (2, 5714060), (4, 2857030), (5, 2285624), (8, 1428515), (10, 1142812), (11, 1038920), (19, 601480), (20, 571406), (22, 519460), (38, 300740), (40, 285703), (44, 259730), (55, 207784), (76, 150370), (88, 129865), (95, 120296), (110, 103892), (152, 75185), (190, 60148), (209, 54680), (220, 51946), (380, 30074), (418, 27340), (440, 25973), (760, 15037), (836, 13670), (1045, 10936), (1367, 8360), (1672, 6835), (2090, 5468), (2734, 4180)]