2021109739460

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2857}}^1\times {\mathrm{103123}}^1$

素因数の和:106010

約数の個数: 96

約数和(自身を含む): 4951436985600

約数和(自身を除く): 2930327246140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2857, 3430, 5714, 6860, 11428, 14285, 19999, 28570, 39998, 57140, 79996, 99995, 103123, 139993, 199990, 206246, 279986, 399980, 412492, 515615, 559972, 699965, 721861, 979951, 1031230, 1399930, 1443722, 1959902, 2062460, 2799860, 2887444, 3609305, 3919804, 4899755, 5053027, 7218610, 9799510, 10106054, 14437220, 19599020, 20212108, 25265135, 35371189, 50530270, 70742378, 101060540, 141484756, 176855945, 294622411, 353711890, 589244822, 707423780, 1178489644, 1473112055, 2062356877, 2946224110, 4124713754, 5892448220, 8249427508, 10311784385, 14436498139, 20623568770, 28872996278, 41247137540, 57745992556, 72182490695, 101055486973, 144364981390, 202110973946, 288729962780, 404221947892, 505277434865, 1010554869730, 2021109739460]

約数ペア:

[(1, 2021109739460), (2, 1010554869730), (4, 505277434865), (5, 404221947892), (7, 288729962780), (10, 202110973946), (14, 144364981390), (20, 101055486973), (28, 72182490695), (35, 57745992556), (49, 41247137540), (70, 28872996278), (98, 20623568770), (140, 14436498139), (196, 10311784385), (245, 8249427508), (343, 5892448220), (490, 4124713754), (686, 2946224110), (980, 2062356877), (1372, 1473112055), (1715, 1178489644), (2857, 707423780), (3430, 589244822), (5714, 353711890), (6860, 294622411), (11428, 176855945), (14285, 141484756), (19999, 101060540), (28570, 70742378), (39998, 50530270), (57140, 35371189), (79996, 25265135), (99995, 20212108), (103123, 19599020), (139993, 14437220), (199990, 10106054), (206246, 9799510), (279986, 7218610), (399980, 5053027), (412492, 4899755), (515615, 3919804), (559972, 3609305), (699965, 2887444), (721861, 2799860), (979951, 2062460), (1031230, 1959902), (1399930, 1443722)]