7931420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 19201728

約数和(自身を除く): 11270308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 313, 362, 626, 724, 905, 1252, 1267, 1565, 1810, 2191, 2534, 3130, 3620, 4382, 5068, 6260, 6335, 8764, 10955, 12670, 21910, 25340, 43820, 56653, 113306, 226612, 283265, 396571, 566530, 793142, 1133060, 1586284, 1982855, 3965710, 7931420]

約数ペア:

[(1, 7931420), (2, 3965710), (4, 1982855), (5, 1586284), (7, 1133060), (10, 793142), (14, 566530), (20, 396571), (28, 283265), (35, 226612), (70, 113306), (140, 56653), (181, 43820), (313, 25340), (362, 21910), (626, 12670), (724, 10955), (905, 8764), (1252, 6335), (1267, 6260), (1565, 5068), (1810, 4382), (2191, 3620), (2534, 3130)]