2897860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2957}}^1$

素因数の和:2980

約数の個数: 36

約数和(自身を含む): 7081452

約数和(自身を除く): 4183592

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2957, 5914, 11828, 14785, 20699, 29570, 41398, 59140, 82796, 103495, 144893, 206990, 289786, 413980, 579572, 724465, 1448930, 2897860]

約数ペア:

[(1, 2897860), (2, 1448930), (4, 724465), (5, 579572), (7, 413980), (10, 289786), (14, 206990), (20, 144893), (28, 103495), (35, 82796), (49, 59140), (70, 41398), (98, 29570), (140, 20699), (196, 14785), (245, 11828), (490, 5914), (980, 2957)]