80188990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{4423}}^1$

素因数の和:4481

約数の個数: 48

約数和(自身を含む): 172482912

約数和(自身を除く): 92293922

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 49, 70, 74, 98, 185, 245, 259, 370, 490, 518, 1295, 1813, 2590, 3626, 4423, 8846, 9065, 18130, 22115, 30961, 44230, 61922, 154805, 163651, 216727, 309610, 327302, 433454, 818255, 1083635, 1145557, 1636510, 2167270, 2291114, 5727785, 8018899, 11455570, 16037798, 40094495, 80188990]

約数ペア:

[(1, 80188990), (2, 40094495), (5, 16037798), (7, 11455570), (10, 8018899), (14, 5727785), (35, 2291114), (37, 2167270), (49, 1636510), (70, 1145557), (74, 1083635), (98, 818255), (185, 433454), (245, 327302), (259, 309610), (370, 216727), (490, 163651), (518, 154805), (1295, 61922), (1813, 44230), (2590, 30961), (3626, 22115), (4423, 18130), (8846, 9065)]