123485705020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{982697}}^1$

素因数の和:982870

約数の個数: 48

約数和(自身を含む): 266130341568

約数和(自身を除く): 142644636548

約数列:

[1, 2, 4, 5, 10, 20, 61, 103, 122, 206, 244, 305, 412, 515, 610, 1030, 1220, 2060, 6283, 12566, 25132, 31415, 62830, 125660, 982697, 1965394, 3930788, 4913485, 9826970, 19653940, 59944517, 101217791, 119889034, 202435582, 239778068, 299722585, 404871164, 506088955, 599445170, 1012177910, 1198890340, 2024355820, 6174285251, 12348570502, 24697141004, 30871426255, 61742852510, 123485705020]

約数ペア:

[(1, 123485705020), (2, 61742852510), (4, 30871426255), (5, 24697141004), (10, 12348570502), (20, 6174285251), (61, 2024355820), (103, 1198890340), (122, 1012177910), (206, 599445170), (244, 506088955), (305, 404871164), (412, 299722585), (515, 239778068), (610, 202435582), (1030, 119889034), (1220, 101217791), (2060, 59944517), (6283, 19653940), (12566, 9826970), (25132, 4913485), (31415, 3930788), (62830, 1965394), (125660, 982697)]