171219440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{305749}}^1$

素因数の和:305769

約数の個数: 40

約数和(自身を含む): 454956000

約数和(自身を除く): 283736560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 305749, 611498, 1222996, 1528745, 2140243, 2445992, 3057490, 4280486, 4891984, 6114980, 8560972, 10701215, 12229960, 17121944, 21402430, 24459920, 34243888, 42804860, 85609720, 171219440]

約数ペア:

[(1, 171219440), (2, 85609720), (4, 42804860), (5, 34243888), (7, 24459920), (8, 21402430), (10, 17121944), (14, 12229960), (16, 10701215), (20, 8560972), (28, 6114980), (35, 4891984), (40, 4280486), (56, 3057490), (70, 2445992), (80, 2140243), (112, 1528745), (140, 1222996), (280, 611498), (560, 305749)]