197698840

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{21773}}^1$

素因数の和:22011

約数の個数: 32

約数和(自身を含む): 446802480

約数和(自身を除く): 249103640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 9080, 21773, 43546, 87092, 108865, 174184, 217730, 435460, 870920, 4942471, 9884942, 19769884, 24712355, 39539768, 49424710, 98849420, 197698840]

約数ペア:

[(1, 197698840), (2, 98849420), (4, 49424710), (5, 39539768), (8, 24712355), (10, 19769884), (20, 9884942), (40, 4942471), (227, 870920), (454, 435460), (908, 217730), (1135, 174184), (1816, 108865), (2270, 87092), (4540, 43546), (9080, 21773)]