199918140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{23971}}^1$

素因数の和:24122

約数の個数: 48

約数和(自身を含む): 563821440

約数和(自身を除く): 363903300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 4170, 8340, 23971, 47942, 71913, 95884, 119855, 143826, 239710, 287652, 359565, 479420, 719130, 1438260, 3331969, 6663938, 9995907, 13327876, 16659845, 19991814, 33319690, 39983628, 49979535, 66639380, 99959070, 199918140]

約数ペア:

[(1, 199918140), (2, 99959070), (3, 66639380), (4, 49979535), (5, 39983628), (6, 33319690), (10, 19991814), (12, 16659845), (15, 13327876), (20, 9995907), (30, 6663938), (60, 3331969), (139, 1438260), (278, 719130), (417, 479420), (556, 359565), (695, 287652), (834, 239710), (1390, 143826), (1668, 119855), (2085, 95884), (2780, 71913), (4170, 47942), (8340, 23971)]