127689424

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2819}}^1$

素因数の和:2995

約数の個数: 40

約数和(自身を含む): 262260000

約数和(自身を除く): 134570576

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 149, 152, 298, 304, 596, 1192, 2384, 2819, 2831, 5638, 5662, 11276, 11324, 22552, 22648, 45104, 45296, 53561, 107122, 214244, 420031, 428488, 840062, 856976, 1680124, 3360248, 6720496, 7980589, 15961178, 31922356, 63844712, 127689424]

約数ペア:

[(1, 127689424), (2, 63844712), (4, 31922356), (8, 15961178), (16, 7980589), (19, 6720496), (38, 3360248), (76, 1680124), (149, 856976), (152, 840062), (298, 428488), (304, 420031), (596, 214244), (1192, 107122), (2384, 53561), (2819, 45296), (2831, 45104), (5638, 22648), (5662, 22552), (11276, 11324)]