208070900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2671}}^1$

素因数の和:2745

約数の個数: 72

約数和(自身を含む): 487052160

約数和(自身を除く): 278981260

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 41, 50, 76, 82, 95, 100, 164, 190, 205, 380, 410, 475, 779, 820, 950, 1025, 1558, 1900, 2050, 2671, 3116, 3895, 4100, 5342, 7790, 10684, 13355, 15580, 19475, 26710, 38950, 50749, 53420, 66775, 77900, 101498, 109511, 133550, 202996, 219022, 253745, 267100, 438044, 507490, 547555, 1014980, 1095110, 1268725, 2080709, 2190220, 2537450, 2737775, 4161418, 5074900, 5475550, 8322836, 10403545, 10951100, 20807090, 41614180, 52017725, 104035450, 208070900]

約数ペア:

[(1, 208070900), (2, 104035450), (4, 52017725), (5, 41614180), (10, 20807090), (19, 10951100), (20, 10403545), (25, 8322836), (38, 5475550), (41, 5074900), (50, 4161418), (76, 2737775), (82, 2537450), (95, 2190220), (100, 2080709), (164, 1268725), (190, 1095110), (205, 1014980), (380, 547555), (410, 507490), (475, 438044), (779, 267100), (820, 253745), (950, 219022), (1025, 202996), (1558, 133550), (1900, 109511), (2050, 101498), (2671, 77900), (3116, 66775), (3895, 53420), (4100, 50749), (5342, 38950), (7790, 26710), (10684, 19475), (13355, 15580)]