840609070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{21031}}^1$

素因数の和:21616

約数の個数: 32

約数和(自身を含む): 1732363776

約数和(自身を除く): 891754706

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 571, 1142, 2855, 3997, 5710, 7994, 19985, 21031, 39970, 42062, 105155, 147217, 210310, 294434, 736085, 1472170, 12008701, 24017402, 60043505, 84060907, 120087010, 168121814, 420304535, 840609070]

約数ペア:

[(1, 840609070), (2, 420304535), (5, 168121814), (7, 120087010), (10, 84060907), (14, 60043505), (35, 24017402), (70, 12008701), (571, 1472170), (1142, 736085), (2855, 294434), (3997, 210310), (5710, 147217), (7994, 105155), (19985, 42062), (21031, 39970)]