672449720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{230291}}^1$

素因数の和:230375

約数の個数: 32

約数和(自身を含む): 1533744720

約数和(自身を除く): 861295000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 230291, 460582, 921164, 1151455, 1842328, 2302910, 4605820, 9211640, 16811243, 33622486, 67244972, 84056215, 134489944, 168112430, 336224860, 672449720]

約数ペア:

[(1, 672449720), (2, 336224860), (4, 168112430), (5, 134489944), (8, 84056215), (10, 67244972), (20, 33622486), (40, 16811243), (73, 9211640), (146, 4605820), (292, 2302910), (365, 1842328), (584, 1151455), (730, 921164), (1460, 460582), (2920, 230291)]