4287990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{2917}}^1$

素因数の和:2941

約数の個数: 48

約数和(自身を含む): 11975472

約数和(自身を除く): 7687482

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 2917, 5834, 8751, 14585, 17502, 20419, 29170, 40838, 43755, 61257, 87510, 102095, 122514, 142933, 204190, 285866, 306285, 428799, 612570, 714665, 857598, 1429330, 2143995, 4287990]

約数ペア:

[(1, 4287990), (2, 2143995), (3, 1429330), (5, 857598), (6, 714665), (7, 612570), (10, 428799), (14, 306285), (15, 285866), (21, 204190), (30, 142933), (35, 122514), (42, 102095), (49, 87510), (70, 61257), (98, 43755), (105, 40838), (147, 29170), (210, 20419), (245, 17502), (294, 14585), (490, 8751), (735, 5834), (1470, 2917)]