1152989780

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1\times {\mathrm{829}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 2443407120

約数和(自身を除く): 1290417340

約数列:

[1, 2, 4, 5, 10, 20, 197, 353, 394, 706, 788, 829, 985, 1412, 1658, 1765, 1970, 3316, 3530, 3940, 4145, 7060, 8290, 16580, 69541, 139082, 163313, 278164, 292637, 326626, 347705, 585274, 653252, 695410, 816565, 1170548, 1390820, 1463185, 1633130, 2926370, 3266260, 5852740, 57649489, 115298978, 230597956, 288247445, 576494890, 1152989780]

約数ペア:

[(1, 1152989780), (2, 576494890), (4, 288247445), (5, 230597956), (10, 115298978), (20, 57649489), (197, 5852740), (353, 3266260), (394, 2926370), (706, 1633130), (788, 1463185), (829, 1390820), (985, 1170548), (1412, 816565), (1658, 695410), (1765, 653252), (1970, 585274), (3316, 347705), (3530, 326626), (3940, 292637), (4145, 278164), (7060, 163313), (8290, 139082), (16580, 69541)]