2019905930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1979}}^1\times {\mathrm{2083}}^1$

素因数の和:4083

約数の個数: 48

約数和(自身を含む): 4233604320

約数和(自身を除く): 2213698390

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1979, 2083, 3958, 4166, 9895, 10415, 13853, 14581, 19790, 20830, 27706, 29162, 69265, 72905, 96971, 102067, 138530, 145810, 193942, 204134, 484855, 510335, 969710, 1020670, 4122257, 8244514, 20611285, 28855799, 41222570, 57711598, 144278995, 201990593, 288557990, 403981186, 1009952965, 2019905930]

約数ペア:

[(1, 2019905930), (2, 1009952965), (5, 403981186), (7, 288557990), (10, 201990593), (14, 144278995), (35, 57711598), (49, 41222570), (70, 28855799), (98, 20611285), (245, 8244514), (490, 4122257), (1979, 1020670), (2083, 969710), (3958, 510335), (4166, 484855), (9895, 204134), (10415, 193942), (13853, 145810), (14581, 138530), (19790, 102067), (20830, 96971), (27706, 72905), (29162, 69265)]