68821780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4937}}^1$

素因数の和:5004

約数の個数: 48

約数和(自身を含む): 156791376

約数和(自身を除く): 87969596

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2788, 3485, 4937, 6970, 9874, 13940, 19748, 24685, 49370, 83929, 98740, 167858, 202417, 335716, 404834, 419645, 809668, 839290, 1012085, 1678580, 2024170, 3441089, 4048340, 6882178, 13764356, 17205445, 34410890, 68821780]

約数ペア:

[(1, 68821780), (2, 34410890), (4, 17205445), (5, 13764356), (10, 6882178), (17, 4048340), (20, 3441089), (34, 2024170), (41, 1678580), (68, 1012085), (82, 839290), (85, 809668), (164, 419645), (170, 404834), (205, 335716), (340, 202417), (410, 167858), (697, 98740), (820, 83929), (1394, 49370), (2788, 24685), (3485, 19748), (4937, 13940), (6970, 9874)]