219091740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{74521}}^1$

素因数の和:74547

約数の個数: 72

約数和(自身を含む): 713622672

約数和(自身を除く): 494530932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 74521, 149042, 223563, 298084, 372605, 447126, 521647, 745210, 894252, 1043294, 1117815, 1490420, 1564941, 2086588, 2235630, 2608235, 3129882, 3651529, 4471260, 5216470, 6259764, 7303058, 7824705, 10432940, 10954587, 14606116, 15649410, 18257645, 21909174, 31298820, 36515290, 43818348, 54772935, 73030580, 109545870, 219091740]

約数ペア:

[(1, 219091740), (2, 109545870), (3, 73030580), (4, 54772935), (5, 43818348), (6, 36515290), (7, 31298820), (10, 21909174), (12, 18257645), (14, 15649410), (15, 14606116), (20, 10954587), (21, 10432940), (28, 7824705), (30, 7303058), (35, 6259764), (42, 5216470), (49, 4471260), (60, 3651529), (70, 3129882), (84, 2608235), (98, 2235630), (105, 2086588), (140, 1564941), (147, 1490420), (196, 1117815), (210, 1043294), (245, 894252), (294, 745210), (420, 521647), (490, 447126), (588, 372605), (735, 298084), (980, 223563), (1470, 149042), (2940, 74521)]