42142940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43003}}^1$

素因数の和:43026

約数の個数: 36

約数和(自身を含む): 102951576

約数和(自身を除く): 60808636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 43003, 86006, 172012, 215015, 301021, 430030, 602042, 860060, 1204084, 1505105, 2107147, 3010210, 4214294, 6020420, 8428588, 10535735, 21071470, 42142940]

約数ペア:

[(1, 42142940), (2, 21071470), (4, 10535735), (5, 8428588), (7, 6020420), (10, 4214294), (14, 3010210), (20, 2107147), (28, 1505105), (35, 1204084), (49, 860060), (70, 602042), (98, 430030), (140, 301021), (196, 215015), (245, 172012), (490, 86006), (980, 43003)]