12698620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{293}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 29338848

約数和(自身を除く): 16640228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 293, 394, 586, 788, 985, 1172, 1465, 1970, 2167, 2930, 3223, 3940, 4334, 5860, 6446, 8668, 10835, 12892, 16115, 21670, 32230, 43340, 57721, 64460, 115442, 230884, 288605, 577210, 634931, 1154420, 1269862, 2539724, 3174655, 6349310, 12698620]

約数ペア:

[(1, 12698620), (2, 6349310), (4, 3174655), (5, 2539724), (10, 1269862), (11, 1154420), (20, 634931), (22, 577210), (44, 288605), (55, 230884), (110, 115442), (197, 64460), (220, 57721), (293, 43340), (394, 32230), (586, 21670), (788, 16115), (985, 12892), (1172, 10835), (1465, 8668), (1970, 6446), (2167, 5860), (2930, 4334), (3223, 3940)]