3990560

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{509}}^1$

素因数の和:538

約数の個数: 72

約数和(自身を含む): 10988460

約数和(自身を除く): 6997900

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 509, 560, 784, 980, 1018, 1120, 1568, 1960, 2036, 2545, 3563, 3920, 4072, 5090, 7126, 7840, 8144, 10180, 14252, 16288, 17815, 20360, 24941, 28504, 35630, 40720, 49882, 57008, 71260, 81440, 99764, 114016, 124705, 142520, 199528, 249410, 285040, 399056, 498820, 570080, 798112, 997640, 1995280, 3990560]

約数ペア:

[(1, 3990560), (2, 1995280), (4, 997640), (5, 798112), (7, 570080), (8, 498820), (10, 399056), (14, 285040), (16, 249410), (20, 199528), (28, 142520), (32, 124705), (35, 114016), (40, 99764), (49, 81440), (56, 71260), (70, 57008), (80, 49882), (98, 40720), (112, 35630), (140, 28504), (160, 24941), (196, 20360), (224, 17815), (245, 16288), (280, 14252), (392, 10180), (490, 8144), (509, 7840), (560, 7126), (784, 5090), (980, 4072), (1018, 3920), (1120, 3563), (1568, 2545), (1960, 2036)]