3986220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{9491}}^1$

素因数の和:9510

約数の個数: 48

約数和(自身を含む): 12757248

約数和(自身を除く): 8771028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 9491, 18982, 28473, 37964, 47455, 56946, 66437, 94910, 113892, 132874, 142365, 189820, 199311, 265748, 284730, 332185, 398622, 569460, 664370, 797244, 996555, 1328740, 1993110, 3986220]

約数ペア:

[(1, 3986220), (2, 1993110), (3, 1328740), (4, 996555), (5, 797244), (6, 664370), (7, 569460), (10, 398622), (12, 332185), (14, 284730), (15, 265748), (20, 199311), (21, 189820), (28, 142365), (30, 132874), (35, 113892), (42, 94910), (60, 66437), (70, 56946), (84, 47455), (105, 37964), (140, 28473), (210, 18982), (420, 9491)]