1099421680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1963253}}^1$

素因数の和:1963273

約数の個数: 40

約数和(自身を含む): 2921321952

約数和(自身を除く): 1821900272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1963253, 3926506, 7853012, 9816265, 13742771, 15706024, 19632530, 27485542, 31412048, 39265060, 54971084, 68713855, 78530120, 109942168, 137427710, 157060240, 219884336, 274855420, 549710840, 1099421680]

約数ペア:

[(1, 1099421680), (2, 549710840), (4, 274855420), (5, 219884336), (7, 157060240), (8, 137427710), (10, 109942168), (14, 78530120), (16, 68713855), (20, 54971084), (28, 39265060), (35, 31412048), (40, 27485542), (56, 19632530), (70, 15706024), (80, 13742771), (112, 9816265), (140, 7853012), (280, 3926506), (560, 1963253)]