2645020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2699}}^1$

素因数の和:2722

約数の個数: 36

約数和(自身を含む): 6463800

約数和(自身を除く): 3818780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2699, 5398, 10796, 13495, 18893, 26990, 37786, 53980, 75572, 94465, 132251, 188930, 264502, 377860, 529004, 661255, 1322510, 2645020]

約数ペア:

[(1, 2645020), (2, 1322510), (4, 661255), (5, 529004), (7, 377860), (10, 264502), (14, 188930), (20, 132251), (28, 94465), (35, 75572), (49, 53980), (70, 37786), (98, 26990), (140, 18893), (196, 13495), (245, 10796), (490, 5398), (980, 2699)]