161443940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1153171}}^1$

素因数の和:1153187

約数の個数: 24

約数和(自身を含む): 387465792

約数和(自身を除く): 226021852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1153171, 2306342, 4612684, 5765855, 8072197, 11531710, 16144394, 23063420, 32288788, 40360985, 80721970, 161443940]

約数ペア:

[(1, 161443940), (2, 80721970), (4, 40360985), (5, 32288788), (7, 23063420), (10, 16144394), (14, 11531710), (20, 8072197), (28, 5765855), (35, 4612684), (70, 2306342), (140, 1153171)]