28611940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{204371}}^1$

素因数の和:204387

約数の個数: 24

約数和(自身を含む): 68668992

約数和(自身を除く): 40057052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 204371, 408742, 817484, 1021855, 1430597, 2043710, 2861194, 4087420, 5722388, 7152985, 14305970, 28611940]

約数ペア:

[(1, 28611940), (2, 14305970), (4, 7152985), (5, 5722388), (7, 4087420), (10, 2861194), (14, 2043710), (20, 1430597), (28, 1021855), (35, 817484), (70, 408742), (140, 204371)]