209385890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157433}}^1$

素因数の和:157466

約数の個数: 32

約数和(自身を含む): 453409920

約数和(自身を除く): 244024030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 157433, 314866, 787165, 1102031, 1574330, 2204062, 2991227, 5510155, 5982454, 11020310, 14956135, 20938589, 29912270, 41877178, 104692945, 209385890]

約数ペア:

[(1, 209385890), (2, 104692945), (5, 41877178), (7, 29912270), (10, 20938589), (14, 14956135), (19, 11020310), (35, 5982454), (38, 5510155), (70, 2991227), (95, 2204062), (133, 1574330), (190, 1102031), (266, 787165), (665, 314866), (1330, 157433)]