87674740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4909}}^1$

素因数の和:4984

約数の個数: 48

約数和(自身を含む): 197971200

約数和(自身を除く): 110296460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1786, 3572, 4465, 4909, 8930, 9818, 17860, 19636, 24545, 49090, 93271, 98180, 186542, 230723, 373084, 461446, 466355, 922892, 932710, 1153615, 1865420, 2307230, 4383737, 4614460, 8767474, 17534948, 21918685, 43837370, 87674740]

約数ペア:

[(1, 87674740), (2, 43837370), (4, 21918685), (5, 17534948), (10, 8767474), (19, 4614460), (20, 4383737), (38, 2307230), (47, 1865420), (76, 1153615), (94, 932710), (95, 922892), (188, 466355), (190, 461446), (235, 373084), (380, 230723), (470, 186542), (893, 98180), (940, 93271), (1786, 49090), (3572, 24545), (4465, 19636), (4909, 17860), (8930, 9818)]