91887460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1559}}^1$

素因数の和:1996

約数の個数: 48

約数和(自身を含む): 221195520

約数和(自身を除く): 129308060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 842, 1559, 1684, 2105, 2947, 3118, 4210, 5894, 6236, 7795, 8420, 10913, 11788, 14735, 15590, 21826, 29470, 31180, 43652, 54565, 58940, 109130, 218260, 656339, 1312678, 2625356, 3281695, 4594373, 6563390, 9188746, 13126780, 18377492, 22971865, 45943730, 91887460]

約数ペア:

[(1, 91887460), (2, 45943730), (4, 22971865), (5, 18377492), (7, 13126780), (10, 9188746), (14, 6563390), (20, 4594373), (28, 3281695), (35, 2625356), (70, 1312678), (140, 656339), (421, 218260), (842, 109130), (1559, 58940), (1684, 54565), (2105, 43652), (2947, 31180), (3118, 29470), (4210, 21826), (5894, 15590), (6236, 14735), (7795, 11788), (8420, 10913)]