242590315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 349857792

約数和(自身を除く): 107267477

約数列:

[1, 5, 11, 23, 37, 55, 71, 73, 115, 185, 253, 355, 365, 407, 781, 803, 851, 1265, 1633, 1679, 2035, 2627, 2701, 3905, 4015, 4255, 5183, 8165, 8395, 9361, 13135, 13505, 17963, 18469, 25915, 28897, 29711, 46805, 57013, 60421, 62123, 89815, 92345, 119209, 144485, 148555, 191771, 285065, 302105, 310615, 596045, 664631, 683353, 958855, 1311299, 2109481, 3323155, 3416765, 4410733, 6556495, 10547405, 22053665, 48518063, 242590315]

約数ペア:

[(1, 242590315), (5, 48518063), (11, 22053665), (23, 10547405), (37, 6556495), (55, 4410733), (71, 3416765), (73, 3323155), (115, 2109481), (185, 1311299), (253, 958855), (355, 683353), (365, 664631), (407, 596045), (781, 310615), (803, 302105), (851, 285065), (1265, 191771), (1633, 148555), (1679, 144485), (2035, 119209), (2627, 92345), (2701, 89815), (3905, 62123), (4015, 60421), (4255, 57013), (5183, 46805), (8165, 29711), (8395, 28897), (9361, 25915), (13135, 18469), (13505, 17963)]