73640380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3761}}^1$

素因数の和:3870

約数の個数: 48

約数和(自身を含む): 170644320

約数和(自身を除く): 97003940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3761, 3916, 4895, 7522, 9790, 15044, 18805, 19580, 37610, 41371, 75220, 82742, 165484, 206855, 334729, 413710, 669458, 827420, 1338916, 1673645, 3347290, 3682019, 6694580, 7364038, 14728076, 18410095, 36820190, 73640380]

約数ペア:

[(1, 73640380), (2, 36820190), (4, 18410095), (5, 14728076), (10, 7364038), (11, 6694580), (20, 3682019), (22, 3347290), (44, 1673645), (55, 1338916), (89, 827420), (110, 669458), (178, 413710), (220, 334729), (356, 206855), (445, 165484), (890, 82742), (979, 75220), (1780, 41371), (1958, 37610), (3761, 19580), (3916, 18805), (4895, 15044), (7522, 9790)]