212734060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{138139}}^1$

素因数の和:138166

約数の個数: 48

約数和(自身を含む): 556980480

約数和(自身を除く): 344246420

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 138139, 276278, 552556, 690695, 966973, 1381390, 1519529, 1933946, 2762780, 3039058, 3867892, 4834865, 6078116, 7597645, 9669730, 10636703, 15195290, 19339460, 21273406, 30390580, 42546812, 53183515, 106367030, 212734060]

約数ペア:

[(1, 212734060), (2, 106367030), (4, 53183515), (5, 42546812), (7, 30390580), (10, 21273406), (11, 19339460), (14, 15195290), (20, 10636703), (22, 9669730), (28, 7597645), (35, 6078116), (44, 4834865), (55, 3867892), (70, 3039058), (77, 2762780), (110, 1933946), (140, 1519529), (154, 1381390), (220, 966973), (308, 690695), (385, 552556), (770, 276278), (1540, 138139)]