1978889970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1\times {\mathrm{2803}}^1$

素因数の和:3147

約数の個数: 64

約数和(自身を含む): 4818662784

約数和(自身を除く): 2839772814

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 101, 202, 233, 303, 466, 505, 606, 699, 1010, 1165, 1398, 1515, 2330, 2803, 3030, 3495, 5606, 6990, 8409, 14015, 16818, 23533, 28030, 42045, 47066, 70599, 84090, 117665, 141198, 235330, 283103, 352995, 566206, 653099, 705990, 849309, 1306198, 1415515, 1698618, 1959297, 2831030, 3265495, 3918594, 4246545, 6530990, 8493090, 9796485, 19592970, 65962999, 131925998, 197888997, 329814995, 395777994, 659629990, 989444985, 1978889970]

約数ペア:

[(1, 1978889970), (2, 989444985), (3, 659629990), (5, 395777994), (6, 329814995), (10, 197888997), (15, 131925998), (30, 65962999), (101, 19592970), (202, 9796485), (233, 8493090), (303, 6530990), (466, 4246545), (505, 3918594), (606, 3265495), (699, 2831030), (1010, 1959297), (1165, 1698618), (1398, 1415515), (1515, 1306198), (2330, 849309), (2803, 705990), (3030, 653099), (3495, 566206), (5606, 352995), (6990, 283103), (8409, 235330), (14015, 141198), (16818, 117665), (23533, 84090), (28030, 70599), (42045, 47066)]