2780148

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1439}}^1$

素因数の和:1476

約数の個数: 48

約数和(自身を含む): 7741440

約数和(自身を除く): 4961292

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1439, 1932, 2878, 4317, 5756, 8634, 10073, 17268, 20146, 30219, 33097, 40292, 60438, 66194, 99291, 120876, 132388, 198582, 231679, 397164, 463358, 695037, 926716, 1390074, 2780148]

約数ペア:

[(1, 2780148), (2, 1390074), (3, 926716), (4, 695037), (6, 463358), (7, 397164), (12, 231679), (14, 198582), (21, 132388), (23, 120876), (28, 99291), (42, 66194), (46, 60438), (69, 40292), (84, 33097), (92, 30219), (138, 20146), (161, 17268), (276, 10073), (322, 8634), (483, 5756), (644, 4317), (966, 2878), (1439, 1932)]