89430740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1301}}^1$

素因数の和:1808

約数の個数: 48

約数和(自身を含む): 215236224

約数和(自身を除く): 125805484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491, 982, 1301, 1964, 2455, 2602, 3437, 4910, 5204, 6505, 6874, 9107, 9820, 13010, 13748, 17185, 18214, 26020, 34370, 36428, 45535, 68740, 91070, 182140, 638791, 1277582, 2555164, 3193955, 4471537, 6387910, 8943074, 12775820, 17886148, 22357685, 44715370, 89430740]

約数ペア:

[(1, 89430740), (2, 44715370), (4, 22357685), (5, 17886148), (7, 12775820), (10, 8943074), (14, 6387910), (20, 4471537), (28, 3193955), (35, 2555164), (70, 1277582), (140, 638791), (491, 182140), (982, 91070), (1301, 68740), (1964, 45535), (2455, 36428), (2602, 34370), (3437, 26020), (4910, 18214), (5204, 17185), (6505, 13748), (6874, 13010), (9107, 9820)]