39930979970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2386789}}^1$

素因数の和:2387042

約数の個数: 32

約数和(自身を含む): 82487462400

約数和(自身を除く): 42556482430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 239, 478, 1195, 1673, 2390, 3346, 8365, 16730, 2386789, 4773578, 11933945, 16707523, 23867890, 33415046, 83537615, 167075230, 570442571, 1140885142, 2852212855, 3993097997, 5704425710, 7986195994, 19965489985, 39930979970]

約数ペア:

[(1, 39930979970), (2, 19965489985), (5, 7986195994), (7, 5704425710), (10, 3993097997), (14, 2852212855), (35, 1140885142), (70, 570442571), (239, 167075230), (478, 83537615), (1195, 33415046), (1673, 23867890), (2390, 16707523), (3346, 11933945), (8365, 4773578), (16730, 2386789)]