7240240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{1847}}^1$

素因数の和:1874

約数の個数: 60

約数和(自身を含む): 19592496

約数和(自身を除く): 12352256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1847, 1960, 3694, 3920, 7388, 9235, 12929, 14776, 18470, 25858, 29552, 36940, 51716, 64645, 73880, 90503, 103432, 129290, 147760, 181006, 206864, 258580, 362012, 452515, 517160, 724024, 905030, 1034320, 1448048, 1810060, 3620120, 7240240]

約数ペア:

[(1, 7240240), (2, 3620120), (4, 1810060), (5, 1448048), (7, 1034320), (8, 905030), (10, 724024), (14, 517160), (16, 452515), (20, 362012), (28, 258580), (35, 206864), (40, 181006), (49, 147760), (56, 129290), (70, 103432), (80, 90503), (98, 73880), (112, 64645), (140, 51716), (196, 36940), (245, 29552), (280, 25858), (392, 18470), (490, 14776), (560, 12929), (784, 9235), (980, 7388), (1847, 3920), (1960, 3694)]