215266604

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:619

約数の個数: 72

約数和(自身を含む): 459648000

約数和(自身を除く): 244381396

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 71, 98, 124, 142, 196, 217, 284, 434, 497, 499, 868, 994, 998, 1519, 1988, 1996, 2201, 3038, 3479, 3493, 4402, 6076, 6958, 6986, 8804, 13916, 13972, 15407, 15469, 24451, 30814, 30938, 35429, 48902, 61628, 61876, 70858, 97804, 107849, 108283, 141716, 215698, 216566, 248003, 431396, 433132, 496006, 757981, 992012, 1098299, 1515962, 1736021, 2196598, 3031924, 3472042, 4393196, 6944084, 7688093, 15376186, 30752372, 53816651, 107633302, 215266604]

約数ペア:

[(1, 215266604), (2, 107633302), (4, 53816651), (7, 30752372), (14, 15376186), (28, 7688093), (31, 6944084), (49, 4393196), (62, 3472042), (71, 3031924), (98, 2196598), (124, 1736021), (142, 1515962), (196, 1098299), (217, 992012), (284, 757981), (434, 496006), (497, 433132), (499, 431396), (868, 248003), (994, 216566), (998, 215698), (1519, 141716), (1988, 108283), (1996, 107849), (2201, 97804), (3038, 70858), (3479, 61876), (3493, 61628), (4402, 48902), (6076, 35429), (6958, 30938), (6986, 30814), (8804, 24451), (13916, 15469), (13972, 15407)]