68503490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{20089}}^1$

素因数の和:20138

約数の個数: 32

約数和(自身を含む): 138862080

約数和(自身を除く): 70358590

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 20089, 40178, 100445, 200890, 220979, 441958, 622759, 1104895, 1245518, 2209790, 3113795, 6227590, 6850349, 13700698, 34251745, 68503490]

約数ペア:

[(1, 68503490), (2, 34251745), (5, 13700698), (10, 6850349), (11, 6227590), (22, 3113795), (31, 2209790), (55, 1245518), (62, 1104895), (110, 622759), (155, 441958), (310, 220979), (341, 200890), (682, 100445), (1705, 40178), (3410, 20089)]