17391280

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1459}}^1$

素因数の和:1621

約数の個数: 40

約数和(自身を含む): 40734000

約数和(自身を除く): 23342720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1459, 1490, 2384, 2918, 2980, 5836, 5960, 7295, 11672, 11920, 14590, 23344, 29180, 58360, 116720, 217391, 434782, 869564, 1086955, 1739128, 2173910, 3478256, 4347820, 8695640, 17391280]

約数ペア:

[(1, 17391280), (2, 8695640), (4, 4347820), (5, 3478256), (8, 2173910), (10, 1739128), (16, 1086955), (20, 869564), (40, 434782), (80, 217391), (149, 116720), (298, 58360), (596, 29180), (745, 23344), (1192, 14590), (1459, 11920), (1490, 11672), (2384, 7295), (2918, 5960), (2980, 5836)]