70770280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1283}}^1$

素因数の和:1498

約数の個数: 64

約数和(自身を含む): 183047040

約数和(自身を除く): 112276760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1283, 1379, 1576, 1970, 2566, 2758, 3940, 5132, 5516, 6415, 6895, 7880, 8981, 10264, 11032, 12830, 13790, 17962, 25660, 27580, 35924, 44905, 51320, 55160, 71848, 89810, 179620, 252751, 359240, 505502, 1011004, 1263755, 1769257, 2022008, 2527510, 3538514, 5055020, 7077028, 8846285, 10110040, 14154056, 17692570, 35385140, 70770280]

約数ペア:

[(1, 70770280), (2, 35385140), (4, 17692570), (5, 14154056), (7, 10110040), (8, 8846285), (10, 7077028), (14, 5055020), (20, 3538514), (28, 2527510), (35, 2022008), (40, 1769257), (56, 1263755), (70, 1011004), (140, 505502), (197, 359240), (280, 252751), (394, 179620), (788, 89810), (985, 71848), (1283, 55160), (1379, 51320), (1576, 44905), (1970, 35924), (2566, 27580), (2758, 25660), (3940, 17962), (5132, 13790), (5516, 12830), (6415, 11032), (6895, 10264), (7880, 8981)]