1987860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4733}}^1$

素因数の和:4752

約数の個数: 48

約数和(自身を含む): 6362496

約数和(自身を除く): 4374636

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, 4733, 9466, 14199, 18932, 23665, 28398, 33131, 47330, 56796, 66262, 70995, 94660, 99393, 132524, 141990, 165655, 198786, 283980, 331310, 397572, 496965, 662620, 993930, 1987860]

約数ペア:

[(1, 1987860), (2, 993930), (3, 662620), (4, 496965), (5, 397572), (6, 331310), (7, 283980), (10, 198786), (12, 165655), (14, 141990), (15, 132524), (20, 99393), (21, 94660), (28, 70995), (30, 66262), (35, 56796), (42, 47330), (60, 33131), (70, 28398), (84, 23665), (105, 18932), (140, 14199), (210, 9466), (420, 4733)]