278324768

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{1999}}^1$

素因数の和:2257

約数の個数: 48

約数和(自身を含む): 579600000

約数和(自身を除く): 301275232

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 229, 304, 458, 608, 916, 1832, 1999, 3664, 3998, 4351, 7328, 7996, 8702, 15992, 17404, 31984, 34808, 37981, 63968, 69616, 75962, 139232, 151924, 303848, 457771, 607696, 915542, 1215392, 1831084, 3662168, 7324336, 8697649, 14648672, 17395298, 34790596, 69581192, 139162384, 278324768]

約数ペア:

[(1, 278324768), (2, 139162384), (4, 69581192), (8, 34790596), (16, 17395298), (19, 14648672), (32, 8697649), (38, 7324336), (76, 3662168), (152, 1831084), (229, 1215392), (304, 915542), (458, 607696), (608, 457771), (916, 303848), (1832, 151924), (1999, 139232), (3664, 75962), (3998, 69616), (4351, 63968), (7328, 37981), (7996, 34808), (8702, 31984), (15992, 17404)]