398804980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2848607}}^1$

素因数の和:2848623

約数の個数: 24

約数和(自身を含む): 957132288

約数和(自身を除く): 558327308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2848607, 5697214, 11394428, 14243035, 19940249, 28486070, 39880498, 56972140, 79760996, 99701245, 199402490, 398804980]

約数ペア:

[(1, 398804980), (2, 199402490), (4, 99701245), (5, 79760996), (7, 56972140), (10, 39880498), (14, 28486070), (20, 19940249), (28, 14243035), (35, 11394428), (70, 5697214), (140, 2848607)]