1688883580

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{743}}^1\times {\mathrm{1277}}^1$

素因数の和:2118

約数の個数: 48

約数和(自身を含む): 3594144960

約数和(自身を除く): 1905261380

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 743, 890, 1277, 1486, 1780, 2554, 2972, 3715, 5108, 6385, 7430, 12770, 14860, 25540, 66127, 113653, 132254, 227306, 264508, 330635, 454612, 568265, 661270, 948811, 1136530, 1322540, 1897622, 2273060, 3795244, 4744055, 9488110, 18976220, 84444179, 168888358, 337776716, 422220895, 844441790, 1688883580]

約数ペア:

[(1, 1688883580), (2, 844441790), (4, 422220895), (5, 337776716), (10, 168888358), (20, 84444179), (89, 18976220), (178, 9488110), (356, 4744055), (445, 3795244), (743, 2273060), (890, 1897622), (1277, 1322540), (1486, 1136530), (1780, 948811), (2554, 661270), (2972, 568265), (3715, 454612), (5108, 330635), (6385, 264508), (7430, 227306), (12770, 132254), (14860, 113653), (25540, 66127)]