214496680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{75527}}^1$

素因数の和:75609

約数の個数: 32

約数和(自身を含む): 489421440

約数和(自身を除く): 274924760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 75527, 151054, 302108, 377635, 604216, 755270, 1510540, 3021080, 5362417, 10724834, 21449668, 26812085, 42899336, 53624170, 107248340, 214496680]

約数ペア:

[(1, 214496680), (2, 107248340), (4, 53624170), (5, 42899336), (8, 26812085), (10, 21449668), (20, 10724834), (40, 5362417), (71, 3021080), (142, 1510540), (284, 755270), (355, 604216), (568, 377635), (710, 302108), (1420, 151054), (2840, 75527)]