54439420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1627}}^1$

素因数の和:1882

約数の個数: 48

約数和(自身を含む): 131281920

約数和(自身を除く): 76842500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1627, 1673, 2390, 3254, 3346, 4780, 6508, 6692, 8135, 8365, 11389, 16270, 16730, 22778, 32540, 33460, 45556, 56945, 113890, 227780, 388853, 777706, 1555412, 1944265, 2721971, 3888530, 5443942, 7777060, 10887884, 13609855, 27219710, 54439420]

約数ペア:

[(1, 54439420), (2, 27219710), (4, 13609855), (5, 10887884), (7, 7777060), (10, 5443942), (14, 3888530), (20, 2721971), (28, 1944265), (35, 1555412), (70, 777706), (140, 388853), (239, 227780), (478, 113890), (956, 56945), (1195, 45556), (1627, 33460), (1673, 32540), (2390, 22778), (3254, 16730), (3346, 16270), (4780, 11389), (6508, 8365), (6692, 8135)]