12085780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{499}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 29232000

約数和(自身を除く): 17146220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 499, 692, 865, 998, 1211, 1730, 1996, 2422, 2495, 3460, 3493, 4844, 4990, 6055, 6986, 9980, 12110, 13972, 17465, 24220, 34930, 69860, 86327, 172654, 345308, 431635, 604289, 863270, 1208578, 1726540, 2417156, 3021445, 6042890, 12085780]

約数ペア:

[(1, 12085780), (2, 6042890), (4, 3021445), (5, 2417156), (7, 1726540), (10, 1208578), (14, 863270), (20, 604289), (28, 431635), (35, 345308), (70, 172654), (140, 86327), (173, 69860), (346, 34930), (499, 24220), (692, 17465), (865, 13972), (998, 12110), (1211, 9980), (1730, 6986), (1996, 6055), (2422, 4990), (2495, 4844), (3460, 3493)]