239972488

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1009}}^1$

素因数の和:1190

約数の個数: 64

約数和(自身を含む): 535219200

約数和(自身を除く): 295246712

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 137, 217, 248, 274, 434, 548, 868, 959, 1009, 1096, 1736, 1918, 2018, 3836, 4036, 4247, 7063, 7672, 8072, 8494, 14126, 16988, 28252, 29729, 31279, 33976, 56504, 59458, 62558, 118916, 125116, 138233, 218953, 237832, 250232, 276466, 437906, 552932, 875812, 967631, 1105864, 1751624, 1935262, 3870524, 4285223, 7741048, 8570446, 17140892, 29996561, 34281784, 59993122, 119986244, 239972488]

約数ペア:

[(1, 239972488), (2, 119986244), (4, 59993122), (7, 34281784), (8, 29996561), (14, 17140892), (28, 8570446), (31, 7741048), (56, 4285223), (62, 3870524), (124, 1935262), (137, 1751624), (217, 1105864), (248, 967631), (274, 875812), (434, 552932), (548, 437906), (868, 276466), (959, 250232), (1009, 237832), (1096, 218953), (1736, 138233), (1918, 125116), (2018, 118916), (3836, 62558), (4036, 59458), (4247, 56504), (7063, 33976), (7672, 31279), (8072, 29729), (8494, 28252), (14126, 16988)]