74344840

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 173352960

約数和(自身を除く): 99008120

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 191, 263, 296, 370, 382, 526, 740, 764, 955, 1052, 1315, 1480, 1528, 1910, 2104, 2630, 3820, 5260, 7067, 7640, 9731, 10520, 14134, 19462, 28268, 35335, 38924, 48655, 50233, 56536, 70670, 77848, 97310, 100466, 141340, 194620, 200932, 251165, 282680, 389240, 401864, 502330, 1004660, 1858621, 2009320, 3717242, 7434484, 9293105, 14868968, 18586210, 37172420, 74344840]

約数ペア:

[(1, 74344840), (2, 37172420), (4, 18586210), (5, 14868968), (8, 9293105), (10, 7434484), (20, 3717242), (37, 2009320), (40, 1858621), (74, 1004660), (148, 502330), (185, 401864), (191, 389240), (263, 282680), (296, 251165), (370, 200932), (382, 194620), (526, 141340), (740, 100466), (764, 97310), (955, 77848), (1052, 70670), (1315, 56536), (1480, 50233), (1528, 48655), (1910, 38924), (2104, 35335), (2630, 28268), (3820, 19462), (5260, 14134), (7067, 10520), (7640, 9731)]