789040540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:407

約数の個数: 96

約数和(自身を含む): 1763745984

約数和(自身を除く): 974705444

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 137, 148, 172, 181, 185, 215, 274, 362, 370, 430, 548, 685, 724, 740, 860, 905, 1370, 1591, 1810, 2740, 3182, 3620, 5069, 5891, 6364, 6697, 7783, 7955, 10138, 11782, 13394, 15566, 15910, 20276, 23564, 24797, 25345, 26788, 29455, 31132, 31820, 33485, 38915, 49594, 50690, 58910, 66970, 77830, 99188, 101380, 117820, 123985, 133940, 155660, 217967, 247970, 287971, 435934, 495940, 575942, 871868, 917489, 1066271, 1089835, 1151884, 1439855, 1834978, 2132542, 2179670, 2879710, 3669956, 4265084, 4359340, 4587445, 5331355, 5759420, 9174890, 10662710, 18349780, 21325420, 39452027, 78904054, 157808108, 197260135, 394520270, 789040540]

約数ペア:

[(1, 789040540), (2, 394520270), (4, 197260135), (5, 157808108), (10, 78904054), (20, 39452027), (37, 21325420), (43, 18349780), (74, 10662710), (86, 9174890), (137, 5759420), (148, 5331355), (172, 4587445), (181, 4359340), (185, 4265084), (215, 3669956), (274, 2879710), (362, 2179670), (370, 2132542), (430, 1834978), (548, 1439855), (685, 1151884), (724, 1089835), (740, 1066271), (860, 917489), (905, 871868), (1370, 575942), (1591, 495940), (1810, 435934), (2740, 287971), (3182, 247970), (3620, 217967), (5069, 155660), (5891, 133940), (6364, 123985), (6697, 117820), (7783, 101380), (7955, 99188), (10138, 77830), (11782, 66970), (13394, 58910), (15566, 50690), (15910, 49594), (20276, 38915), (23564, 33485), (24797, 31820), (25345, 31132), (26788, 29455)]