1303780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 2983680

約数和(自身を除く): 1679900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 73, 76, 94, 95, 146, 188, 190, 235, 292, 365, 380, 470, 730, 893, 940, 1387, 1460, 1786, 2774, 3431, 3572, 4465, 5548, 6862, 6935, 8930, 13724, 13870, 17155, 17860, 27740, 34310, 65189, 68620, 130378, 260756, 325945, 651890, 1303780]

約数ペア:

[(1, 1303780), (2, 651890), (4, 325945), (5, 260756), (10, 130378), (19, 68620), (20, 65189), (38, 34310), (47, 27740), (73, 17860), (76, 17155), (94, 13870), (95, 13724), (146, 8930), (188, 6935), (190, 6862), (235, 5548), (292, 4465), (365, 3572), (380, 3431), (470, 2774), (730, 1786), (893, 1460), (940, 1387)]