2776821040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{10099}}^1$

素因数の和:10610

約数の個数: 80

約数和(自身を含む): 7394169600

約数和(自身を除く): 4617348560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 491, 560, 982, 1964, 2455, 3437, 3928, 4910, 6874, 7856, 9820, 10099, 13748, 17185, 19640, 20198, 27496, 34370, 39280, 40396, 50495, 54992, 68740, 70693, 80792, 100990, 137480, 141386, 161584, 201980, 274960, 282772, 353465, 403960, 565544, 706930, 807920, 1131088, 1413860, 2827720, 4958609, 5655440, 9917218, 19834436, 24793045, 34710263, 39668872, 49586090, 69420526, 79337744, 99172180, 138841052, 173551315, 198344360, 277682104, 347102630, 396688720, 555364208, 694205260, 1388410520, 2776821040]

約数ペア:

[(1, 2776821040), (2, 1388410520), (4, 694205260), (5, 555364208), (7, 396688720), (8, 347102630), (10, 277682104), (14, 198344360), (16, 173551315), (20, 138841052), (28, 99172180), (35, 79337744), (40, 69420526), (56, 49586090), (70, 39668872), (80, 34710263), (112, 24793045), (140, 19834436), (280, 9917218), (491, 5655440), (560, 4958609), (982, 2827720), (1964, 1413860), (2455, 1131088), (3437, 807920), (3928, 706930), (4910, 565544), (6874, 403960), (7856, 353465), (9820, 282772), (10099, 274960), (13748, 201980), (17185, 161584), (19640, 141386), (20198, 137480), (27496, 100990), (34370, 80792), (39280, 70693), (40396, 68740), (50495, 54992)]