345291268

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{1999}}^1$

素因数の和:2240

約数の個数: 48

約数和(自身を含む): 716800000

約数和(自身を除く): 371508732

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 199, 217, 398, 434, 796, 868, 1393, 1999, 2786, 3998, 5572, 6169, 7996, 12338, 13993, 24676, 27986, 43183, 55972, 61969, 86366, 123938, 172732, 247876, 397801, 433783, 795602, 867566, 1591204, 1735132, 2784607, 5569214, 11138428, 12331831, 24663662, 49327324, 86322817, 172645634, 345291268]

約数ペア:

[(1, 345291268), (2, 172645634), (4, 86322817), (7, 49327324), (14, 24663662), (28, 12331831), (31, 11138428), (62, 5569214), (124, 2784607), (199, 1735132), (217, 1591204), (398, 867566), (434, 795602), (796, 433783), (868, 397801), (1393, 247876), (1999, 172732), (2786, 123938), (3998, 86366), (5572, 61969), (6169, 55972), (7996, 43183), (12338, 27986), (13993, 24676)]