199364240

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{10427}}^1$

素因数の和:10679

約数の個数: 40

約数和(自身を含む): 465505920

約数和(自身を除く): 266141680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 9560, 10427, 19120, 20854, 41708, 52135, 83416, 104270, 166832, 208540, 417080, 834160, 2492053, 4984106, 9968212, 12460265, 19936424, 24920530, 39872848, 49841060, 99682120, 199364240]

約数ペア:

[(1, 199364240), (2, 99682120), (4, 49841060), (5, 39872848), (8, 24920530), (10, 19936424), (16, 12460265), (20, 9968212), (40, 4984106), (80, 2492053), (239, 834160), (478, 417080), (956, 208540), (1195, 166832), (1912, 104270), (2390, 83416), (3824, 52135), (4780, 41708), (9560, 20854), (10427, 19120)]