70431440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:360

約数の個数: 80

約数和(自身を含む): 170145360

約数和(自身を除く): 99713920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 109, 164, 197, 205, 218, 328, 394, 410, 436, 545, 656, 788, 820, 872, 985, 1090, 1576, 1640, 1744, 1970, 2180, 3152, 3280, 3940, 4360, 4469, 7880, 8077, 8720, 8938, 15760, 16154, 17876, 21473, 22345, 32308, 35752, 40385, 42946, 44690, 64616, 71504, 80770, 85892, 89380, 107365, 129232, 161540, 171784, 178760, 214730, 323080, 343568, 357520, 429460, 646160, 858920, 880393, 1717840, 1760786, 3521572, 4401965, 7043144, 8803930, 14086288, 17607860, 35215720, 70431440]

約数ペア:

[(1, 70431440), (2, 35215720), (4, 17607860), (5, 14086288), (8, 8803930), (10, 7043144), (16, 4401965), (20, 3521572), (40, 1760786), (41, 1717840), (80, 880393), (82, 858920), (109, 646160), (164, 429460), (197, 357520), (205, 343568), (218, 323080), (328, 214730), (394, 178760), (410, 171784), (436, 161540), (545, 129232), (656, 107365), (788, 89380), (820, 85892), (872, 80770), (985, 71504), (1090, 64616), (1576, 44690), (1640, 42946), (1744, 40385), (1970, 35752), (2180, 32308), (3152, 22345), (3280, 21473), (3940, 17876), (4360, 16154), (4469, 15760), (7880, 8938), (8077, 8720)]