917432890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:340

約数の個数: 96

約数和(自身を含む): 1882258560

約数和(自身を除く): 964825670

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 71, 110, 118, 121, 142, 181, 242, 295, 355, 362, 590, 605, 649, 710, 781, 905, 1210, 1298, 1562, 1810, 1991, 3245, 3905, 3982, 4189, 6490, 7139, 7810, 8378, 8591, 9955, 10679, 12851, 14278, 17182, 19910, 20945, 21358, 21901, 25702, 35695, 41890, 42955, 43802, 46079, 53395, 64255, 71390, 85910, 92158, 106790, 109505, 117469, 128510, 141361, 219010, 230395, 234938, 282722, 460790, 506869, 587345, 706805, 758209, 1013738, 1174690, 1292159, 1413610, 1516418, 1554971, 2534345, 2584318, 3109942, 3791045, 5068690, 6460795, 7582090, 7774855, 8340299, 12921590, 15549710, 16680598, 41701495, 83402990, 91743289, 183486578, 458716445, 917432890]

約数ペア:

[(1, 917432890), (2, 458716445), (5, 183486578), (10, 91743289), (11, 83402990), (22, 41701495), (55, 16680598), (59, 15549710), (71, 12921590), (110, 8340299), (118, 7774855), (121, 7582090), (142, 6460795), (181, 5068690), (242, 3791045), (295, 3109942), (355, 2584318), (362, 2534345), (590, 1554971), (605, 1516418), (649, 1413610), (710, 1292159), (781, 1174690), (905, 1013738), (1210, 758209), (1298, 706805), (1562, 587345), (1810, 506869), (1991, 460790), (3245, 282722), (3905, 234938), (3982, 230395), (4189, 219010), (6490, 141361), (7139, 128510), (7810, 117469), (8378, 109505), (8591, 106790), (9955, 92158), (10679, 85910), (12851, 71390), (14278, 64255), (17182, 53395), (19910, 46079), (20945, 43802), (21358, 42955), (21901, 41890), (25702, 35695)]