1325660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{557}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 3374784

約数和(自身を除く): 2049124

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 557, 595, 1114, 1190, 2228, 2380, 2785, 3899, 5570, 7798, 9469, 11140, 15596, 18938, 19495, 37876, 38990, 47345, 66283, 77980, 94690, 132566, 189380, 265132, 331415, 662830, 1325660]

約数ペア:

[(1, 1325660), (2, 662830), (4, 331415), (5, 265132), (7, 189380), (10, 132566), (14, 94690), (17, 77980), (20, 66283), (28, 47345), (34, 38990), (35, 37876), (68, 19495), (70, 18938), (85, 15596), (119, 11140), (140, 9469), (170, 7798), (238, 5570), (340, 3899), (476, 2785), (557, 2380), (595, 2228), (1114, 1190)]