16681450

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:247

約数の個数: 48

約数和(自身を含む): 32569344

約数和(自身を除く): 15887894

約数列:

[1, 2, 5, 10, 25, 37, 50, 71, 74, 127, 142, 185, 254, 355, 370, 635, 710, 925, 1270, 1775, 1850, 2627, 3175, 3550, 4699, 5254, 6350, 9017, 9398, 13135, 18034, 23495, 26270, 45085, 46990, 65675, 90170, 117475, 131350, 225425, 234950, 333629, 450850, 667258, 1668145, 3336290, 8340725, 16681450]

約数ペア:

[(1, 16681450), (2, 8340725), (5, 3336290), (10, 1668145), (25, 667258), (37, 450850), (50, 333629), (71, 234950), (74, 225425), (127, 131350), (142, 117475), (185, 90170), (254, 65675), (355, 46990), (370, 45085), (635, 26270), (710, 23495), (925, 18034), (1270, 13135), (1775, 9398), (1850, 9017), (2627, 6350), (3175, 5254), (3550, 4699)]