1217996920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{621427}}^1$

素因数の和:621452

約数の個数: 48

約数和(自身を含む): 3187925640

約数和(自身を除く): 1969928720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 621427, 1242854, 2485708, 3107135, 4349989, 4971416, 6214270, 8699978, 12428540, 17399956, 21749945, 24857080, 30449923, 34799912, 43499890, 60899846, 86999780, 121799692, 152249615, 173999560, 243599384, 304499230, 608998460, 1217996920]

約数ペア:

[(1, 1217996920), (2, 608998460), (4, 304499230), (5, 243599384), (7, 173999560), (8, 152249615), (10, 121799692), (14, 86999780), (20, 60899846), (28, 43499890), (35, 34799912), (40, 30449923), (49, 24857080), (56, 21749945), (70, 17399956), (98, 12428540), (140, 8699978), (196, 6214270), (245, 4971416), (280, 4349989), (392, 3107135), (490, 2485708), (980, 1242854), (1960, 621427)]