229061620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{1663}}^1$

素因数の和:1840

約数の個数: 48

約数和(自身を含む): 493129728

約数和(自身を除く): 264068108

約数列:

[1, 2, 4, 5, 10, 20, 71, 97, 142, 194, 284, 355, 388, 485, 710, 970, 1420, 1663, 1940, 3326, 6652, 6887, 8315, 13774, 16630, 27548, 33260, 34435, 68870, 118073, 137740, 161311, 236146, 322622, 472292, 590365, 645244, 806555, 1180730, 1613110, 2361460, 3226220, 11453081, 22906162, 45812324, 57265405, 114530810, 229061620]

約数ペア:

[(1, 229061620), (2, 114530810), (4, 57265405), (5, 45812324), (10, 22906162), (20, 11453081), (71, 3226220), (97, 2361460), (142, 1613110), (194, 1180730), (284, 806555), (355, 645244), (388, 590365), (485, 472292), (710, 322622), (970, 236146), (1420, 161311), (1663, 137740), (1940, 118073), (3326, 68870), (6652, 34435), (6887, 33260), (8315, 27548), (13774, 16630)]