285905065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 410572800

約数和(自身を除く): 124667735

約数列:

[1, 5, 17, 19, 23, 43, 85, 95, 115, 179, 215, 323, 391, 437, 731, 817, 895, 989, 1615, 1955, 2185, 3043, 3401, 3655, 4085, 4117, 4945, 7429, 7697, 13889, 15215, 16813, 17005, 18791, 20585, 37145, 38485, 57817, 69445, 69989, 78223, 84065, 93955, 130849, 146243, 177031, 289085, 319447, 349945, 391115, 654245, 731215, 885155, 1329791, 1597235, 2486131, 3009527, 3363589, 6648955, 12430655, 15047635, 16817945, 57181013, 285905065]

約数ペア:

[(1, 285905065), (5, 57181013), (17, 16817945), (19, 15047635), (23, 12430655), (43, 6648955), (85, 3363589), (95, 3009527), (115, 2486131), (179, 1597235), (215, 1329791), (323, 885155), (391, 731215), (437, 654245), (731, 391115), (817, 349945), (895, 319447), (989, 289085), (1615, 177031), (1955, 146243), (2185, 130849), (3043, 93955), (3401, 84065), (3655, 78223), (4085, 69989), (4117, 69445), (4945, 57817), (7429, 38485), (7697, 37145), (13889, 20585), (15215, 18791), (16813, 17005)]