77012990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3499}}^1$

素因数の和:3608

約数の個数: 32

約数和(自身を含む): 145152000

約数和(自身を除く): 68139010

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 2201, 3499, 4402, 6998, 11005, 17495, 22010, 34990, 108469, 216938, 248429, 496858, 542345, 1084690, 1242145, 2484290, 7701299, 15402598, 38506495, 77012990]

約数ペア:

[(1, 77012990), (2, 38506495), (5, 15402598), (10, 7701299), (31, 2484290), (62, 1242145), (71, 1084690), (142, 542345), (155, 496858), (310, 248429), (355, 216938), (710, 108469), (2201, 34990), (3499, 22010), (4402, 17495), (6998, 11005)]