79680700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4261}}^1$

素因数の和:4303

約数の個数: 72

約数和(自身を含む): 199768464

約数和(自身を除く): 120087764

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 170, 187, 220, 275, 340, 374, 425, 550, 748, 850, 935, 1100, 1700, 1870, 3740, 4261, 4675, 8522, 9350, 17044, 18700, 21305, 42610, 46871, 72437, 85220, 93742, 106525, 144874, 187484, 213050, 234355, 289748, 362185, 426100, 468710, 724370, 796807, 937420, 1171775, 1448740, 1593614, 1810925, 2343550, 3187228, 3621850, 3984035, 4687100, 7243700, 7968070, 15936140, 19920175, 39840350, 79680700]

約数ペア:

[(1, 79680700), (2, 39840350), (4, 19920175), (5, 15936140), (10, 7968070), (11, 7243700), (17, 4687100), (20, 3984035), (22, 3621850), (25, 3187228), (34, 2343550), (44, 1810925), (50, 1593614), (55, 1448740), (68, 1171775), (85, 937420), (100, 796807), (110, 724370), (170, 468710), (187, 426100), (220, 362185), (275, 289748), (340, 234355), (374, 213050), (425, 187484), (550, 144874), (748, 106525), (850, 93742), (935, 85220), (1100, 72437), (1700, 46871), (1870, 42610), (3740, 21305), (4261, 18700), (4675, 17044), (8522, 9350)]