206986880

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8741}}^1$

素因数の和:8797

約数の個数: 64

約数和(自身を含む): 508259880

約数和(自身を除く): 301273000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 740, 1184, 1480, 2368, 2960, 4736, 5920, 8741, 11840, 17482, 23680, 34964, 43705, 69928, 87410, 139856, 174820, 279712, 323417, 349640, 559424, 646834, 699280, 1118848, 1293668, 1398560, 1617085, 2587336, 2797120, 3234170, 5174672, 5594240, 6468340, 10349344, 12936680, 20698688, 25873360, 41397376, 51746720, 103493440, 206986880]

約数ペア:

[(1, 206986880), (2, 103493440), (4, 51746720), (5, 41397376), (8, 25873360), (10, 20698688), (16, 12936680), (20, 10349344), (32, 6468340), (37, 5594240), (40, 5174672), (64, 3234170), (74, 2797120), (80, 2587336), (128, 1617085), (148, 1398560), (160, 1293668), (185, 1118848), (296, 699280), (320, 646834), (370, 559424), (592, 349640), (640, 323417), (740, 279712), (1184, 174820), (1480, 139856), (2368, 87410), (2960, 69928), (4736, 43705), (5920, 34964), (8741, 23680), (11840, 17482)]