77022220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4931}}^1$

素因数の和:5022

約数の個数: 48

約数和(自身を含む): 178972416

約数和(自身を除く): 101950196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 4931, 7810, 9862, 15620, 19724, 24655, 49310, 54241, 98620, 108482, 216964, 271205, 350101, 542410, 700202, 1084820, 1400404, 1750505, 3501010, 3851111, 7002020, 7702222, 15404444, 19255555, 38511110, 77022220]

約数ペア:

[(1, 77022220), (2, 38511110), (4, 19255555), (5, 15404444), (10, 7702222), (11, 7002020), (20, 3851111), (22, 3501010), (44, 1750505), (55, 1400404), (71, 1084820), (110, 700202), (142, 542410), (220, 350101), (284, 271205), (355, 216964), (710, 108482), (781, 98620), (1420, 54241), (1562, 49310), (3124, 24655), (3905, 19724), (4931, 15620), (7810, 9862)]