822909080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{5641}}^1$

素因数の和:6180

約数の個数: 64

約数和(自身を含む): 2120489280

約数和(自身を除く): 1297580200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 521, 1042, 2084, 2605, 3647, 4168, 5210, 5641, 7294, 10420, 11282, 14588, 18235, 20840, 22564, 28205, 29176, 36470, 39487, 45128, 56410, 72940, 78974, 112820, 145880, 157948, 197435, 225640, 315896, 394870, 789740, 1579480, 2938961, 5877922, 11755844, 14694805, 20572727, 23511688, 29389610, 41145454, 58779220, 82290908, 102863635, 117558440, 164581816, 205727270, 411454540, 822909080]

約数ペア:

[(1, 822909080), (2, 411454540), (4, 205727270), (5, 164581816), (7, 117558440), (8, 102863635), (10, 82290908), (14, 58779220), (20, 41145454), (28, 29389610), (35, 23511688), (40, 20572727), (56, 14694805), (70, 11755844), (140, 5877922), (280, 2938961), (521, 1579480), (1042, 789740), (2084, 394870), (2605, 315896), (3647, 225640), (4168, 197435), (5210, 157948), (5641, 145880), (7294, 112820), (10420, 78974), (11282, 72940), (14588, 56410), (18235, 45128), (20840, 39487), (22564, 36470), (28205, 29176)]