84317710

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{449}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 154548000

約数和(自身を除く): 70230290

約数列:

[1, 2, 5, 10, 89, 178, 211, 422, 445, 449, 890, 898, 1055, 2110, 2245, 4490, 18779, 37558, 39961, 79922, 93895, 94739, 187790, 189478, 199805, 399610, 473695, 947390, 8431771, 16863542, 42158855, 84317710]

約数ペア:

[(1, 84317710), (2, 42158855), (5, 16863542), (10, 8431771), (89, 947390), (178, 473695), (211, 399610), (422, 199805), (445, 189478), (449, 187790), (890, 94739), (898, 93895), (1055, 79922), (2110, 39961), (2245, 37558), (4490, 18779)]