7820890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1451}}^1$

素因数の和:1483

約数の個数: 48

約数和(自身を含む): 17877024

約数和(自身を除く): 10056134

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 1451, 2695, 2902, 5390, 7255, 10157, 14510, 15961, 20314, 31922, 50785, 71099, 79805, 101570, 111727, 142198, 159610, 223454, 355495, 558635, 710990, 782089, 1117270, 1564178, 3910445, 7820890]

約数ペア:

[(1, 7820890), (2, 3910445), (5, 1564178), (7, 1117270), (10, 782089), (11, 710990), (14, 558635), (22, 355495), (35, 223454), (49, 159610), (55, 142198), (70, 111727), (77, 101570), (98, 79805), (110, 71099), (154, 50785), (245, 31922), (385, 20314), (490, 15961), (539, 14510), (770, 10157), (1078, 7255), (1451, 5390), (2695, 2902)]