201808460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{4789}}^1$

素因数の和:4855

約数の個数: 72

約数和(自身を含む): 504559440

約数和(自身を除く): 302750980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2107, 3010, 4214, 4789, 6020, 8428, 9578, 10535, 19156, 21070, 23945, 33523, 42140, 47890, 67046, 95780, 134092, 167615, 205927, 234661, 335230, 411854, 469322, 670460, 823708, 938644, 1029635, 1173305, 1441489, 2059270, 2346610, 2882978, 4118540, 4693220, 5765956, 7207445, 10090423, 14414890, 20180846, 28829780, 40361692, 50452115, 100904230, 201808460]

約数ペア:

[(1, 201808460), (2, 100904230), (4, 50452115), (5, 40361692), (7, 28829780), (10, 20180846), (14, 14414890), (20, 10090423), (28, 7207445), (35, 5765956), (43, 4693220), (49, 4118540), (70, 2882978), (86, 2346610), (98, 2059270), (140, 1441489), (172, 1173305), (196, 1029635), (215, 938644), (245, 823708), (301, 670460), (430, 469322), (490, 411854), (602, 335230), (860, 234661), (980, 205927), (1204, 167615), (1505, 134092), (2107, 95780), (3010, 67046), (4214, 47890), (4789, 42140), (6020, 33523), (8428, 23945), (9578, 21070), (10535, 19156)]