264128575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 360914400

約数和(自身を除く): 96785825

約数列:

[1, 5, 17, 25, 43, 85, 97, 149, 215, 425, 485, 731, 745, 1075, 1649, 2425, 2533, 3655, 3725, 4171, 6407, 8245, 12665, 14453, 18275, 20855, 32035, 41225, 63325, 70907, 72265, 104275, 108919, 160175, 245701, 354535, 361325, 544595, 621479, 1228505, 1772675, 2722975, 3107395, 6142525, 10565143, 15536975, 52825715, 264128575]

約数ペア:

[(1, 264128575), (5, 52825715), (17, 15536975), (25, 10565143), (43, 6142525), (85, 3107395), (97, 2722975), (149, 1772675), (215, 1228505), (425, 621479), (485, 544595), (731, 361325), (745, 354535), (1075, 245701), (1649, 160175), (2425, 108919), (2533, 104275), (3655, 72265), (3725, 70907), (4171, 63325), (6407, 41225), (8245, 32035), (12665, 20855), (14453, 18275)]