199688560

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{58049}}^1$

素因数の和:58105

約数の個数: 40

約数和(自身を含む): 475081200

約数和(自身を除く): 275392640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 58049, 116098, 232196, 290245, 464392, 580490, 928784, 1160980, 2321960, 2496107, 4643920, 4992214, 9984428, 12480535, 19968856, 24961070, 39937712, 49922140, 99844280, 199688560]

約数ペア:

[(1, 199688560), (2, 99844280), (4, 49922140), (5, 39937712), (8, 24961070), (10, 19968856), (16, 12480535), (20, 9984428), (40, 4992214), (43, 4643920), (80, 2496107), (86, 2321960), (172, 1160980), (215, 928784), (344, 580490), (430, 464392), (688, 290245), (860, 232196), (1720, 116098), (3440, 58049)]