678156940

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{277}}^1\times {\mathrm{733}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 1439790912

約数和(自身を除く): 761633972

約数列:

[1, 2, 4, 5, 10, 20, 167, 277, 334, 554, 668, 733, 835, 1108, 1385, 1466, 1670, 2770, 2932, 3340, 3665, 5540, 7330, 14660, 46259, 92518, 122411, 185036, 203041, 231295, 244822, 406082, 462590, 489644, 612055, 812164, 925180, 1015205, 1224110, 2030410, 2448220, 4060820, 33907847, 67815694, 135631388, 169539235, 339078470, 678156940]

約数ペア:

[(1, 678156940), (2, 339078470), (4, 169539235), (5, 135631388), (10, 67815694), (20, 33907847), (167, 4060820), (277, 2448220), (334, 2030410), (554, 1224110), (668, 1015205), (733, 925180), (835, 812164), (1108, 612055), (1385, 489644), (1466, 462590), (1670, 406082), (2770, 244822), (2932, 231295), (3340, 203041), (3665, 185036), (5540, 122411), (7330, 92518), (14660, 46259)]