651890

素因数分解:

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

素因数の和:146

約数の個数: 32

約数和(自身を含む): 1278720

約数和(自身を除く): 626830

約数列:

[1, 2, 5, 10, 19, 38, 47, 73, 94, 95, 146, 190, 235, 365, 470, 730, 893, 1387, 1786, 2774, 3431, 4465, 6862, 6935, 8930, 13870, 17155, 34310, 65189, 130378, 325945, 651890]

約数ペア:

[(1, 651890), (2, 325945), (5, 130378), (10, 65189), (19, 34310), (38, 17155), (47, 13870), (73, 8930), (94, 6935), (95, 6862), (146, 4465), (190, 3431), (235, 2774), (365, 1786), (470, 1387), (730, 893)]