1381578804980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1489}}^1\times {\mathrm{4217531}}^1$

素因数の和:4219040

約数の個数: 48

約数和(自身を含む): 3167197830720

約数和(自身を除く): 1785619025740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1489, 2978, 5956, 7445, 14890, 16379, 29780, 32758, 65516, 81895, 163790, 327580, 4217531, 8435062, 16870124, 21087655, 42175310, 46392841, 84350620, 92785682, 185571364, 231964205, 463928410, 927856820, 6279903659, 12559807318, 25119614636, 31399518295, 62799036590, 69078940249, 125598073180, 138157880498, 276315760996, 345394701245, 690789402490, 1381578804980]

約数ペア:

[(1, 1381578804980), (2, 690789402490), (4, 345394701245), (5, 276315760996), (10, 138157880498), (11, 125598073180), (20, 69078940249), (22, 62799036590), (44, 31399518295), (55, 25119614636), (110, 12559807318), (220, 6279903659), (1489, 927856820), (2978, 463928410), (5956, 231964205), (7445, 185571364), (14890, 92785682), (16379, 84350620), (29780, 46392841), (32758, 42175310), (65516, 21087655), (81895, 16870124), (163790, 8435062), (327580, 4217531)]