7686280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{283}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 20039040

約数和(自身を除く): 12352760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 283, 388, 485, 566, 679, 776, 970, 1132, 1358, 1415, 1940, 1981, 2264, 2716, 2830, 3395, 3880, 3962, 5432, 5660, 6790, 7924, 9905, 11320, 13580, 15848, 19810, 27160, 27451, 39620, 54902, 79240, 109804, 137255, 192157, 219608, 274510, 384314, 549020, 768628, 960785, 1098040, 1537256, 1921570, 3843140, 7686280]

約数ペア:

[(1, 7686280), (2, 3843140), (4, 1921570), (5, 1537256), (7, 1098040), (8, 960785), (10, 768628), (14, 549020), (20, 384314), (28, 274510), (35, 219608), (40, 192157), (56, 137255), (70, 109804), (97, 79240), (140, 54902), (194, 39620), (280, 27451), (283, 27160), (388, 19810), (485, 15848), (566, 13580), (679, 11320), (776, 9905), (970, 7924), (1132, 6790), (1358, 5660), (1415, 5432), (1940, 3962), (1981, 3880), (2264, 3395), (2716, 2830)]