891101680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1591253}}^1$

素因数の和:1591273

約数の個数: 40

約数和(自身を含む): 2367785952

約数和(自身を除く): 1476684272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1591253, 3182506, 6365012, 7956265, 11138771, 12730024, 15912530, 22277542, 25460048, 31825060, 44555084, 55693855, 63650120, 89110168, 111387710, 127300240, 178220336, 222775420, 445550840, 891101680]

約数ペア:

[(1, 891101680), (2, 445550840), (4, 222775420), (5, 178220336), (7, 127300240), (8, 111387710), (10, 89110168), (14, 63650120), (16, 55693855), (20, 44555084), (28, 31825060), (35, 25460048), (40, 22277542), (56, 15912530), (70, 12730024), (80, 11138771), (112, 7956265), (140, 6365012), (280, 3182506), (560, 1591253)]