285364240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{72797}}^1$

素因数の和:72824

約数の個数: 60

約数和(自身を含む): 771804396

約数和(自身を除く): 486440156

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, 1960, 3920, 72797, 145594, 291188, 363985, 509579, 582376, 727970, 1019158, 1164752, 1455940, 2038316, 2547895, 2911880, 3567053, 4076632, 5095790, 5823760, 7134106, 8153264, 10191580, 14268212, 17835265, 20383160, 28536424, 35670530, 40766320, 57072848, 71341060, 142682120, 285364240]

約数ペア:

[(1, 285364240), (2, 142682120), (4, 71341060), (5, 57072848), (7, 40766320), (8, 35670530), (10, 28536424), (14, 20383160), (16, 17835265), (20, 14268212), (28, 10191580), (35, 8153264), (40, 7134106), (49, 5823760), (56, 5095790), (70, 4076632), (80, 3567053), (98, 2911880), (112, 2547895), (140, 2038316), (196, 1455940), (245, 1164752), (280, 1019158), (392, 727970), (490, 582376), (560, 509579), (784, 363985), (980, 291188), (1960, 145594), (3920, 72797)]