290698480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191249}}^1$

素因数の和:191281

約数の個数: 40

約数和(自身を含む): 711450000

約数和(自身を除く): 420751520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 191249, 382498, 764996, 956245, 1529992, 1912490, 3059984, 3633731, 3824980, 7267462, 7649960, 14534924, 15299920, 18168655, 29069848, 36337310, 58139696, 72674620, 145349240, 290698480]

約数ペア:

[(1, 290698480), (2, 145349240), (4, 72674620), (5, 58139696), (8, 36337310), (10, 29069848), (16, 18168655), (19, 15299920), (20, 14534924), (38, 7649960), (40, 7267462), (76, 3824980), (80, 3633731), (95, 3059984), (152, 1912490), (190, 1529992), (304, 956245), (380, 764996), (760, 382498), (1520, 191249)]