7717990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{829}}^1$

素因数の和:869

約数の個数: 48

約数和(自身を含む): 17031600

約数和(自身を除く): 9313610

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 829, 931, 1330, 1658, 1862, 4145, 4655, 5803, 8290, 9310, 11606, 15751, 29015, 31502, 40621, 58030, 78755, 81242, 110257, 157510, 203105, 220514, 406210, 551285, 771799, 1102570, 1543598, 3858995, 7717990]

約数ペア:

[(1, 7717990), (2, 3858995), (5, 1543598), (7, 1102570), (10, 771799), (14, 551285), (19, 406210), (35, 220514), (38, 203105), (49, 157510), (70, 110257), (95, 81242), (98, 78755), (133, 58030), (190, 40621), (245, 31502), (266, 29015), (490, 15751), (665, 11606), (829, 9310), (931, 8290), (1330, 5803), (1658, 4655), (1862, 4145)]