277240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 648000

約数和(自身を除く): 370760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 239, 290, 478, 580, 956, 1160, 1195, 1912, 2390, 4780, 6931, 9560, 13862, 27724, 34655, 55448, 69310, 138620, 277240]

約数ペア:

[(1, 277240), (2, 138620), (4, 69310), (5, 55448), (8, 34655), (10, 27724), (20, 13862), (29, 9560), (40, 6931), (58, 4780), (116, 2390), (145, 1912), (232, 1195), (239, 1160), (290, 956), (478, 580)]