308813505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 672731136

約数和(自身を除く): 363917631

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 65, 77, 91, 105, 131, 143, 157, 165, 195, 231, 273, 385, 393, 429, 455, 471, 655, 715, 785, 917, 1001, 1099, 1155, 1365, 1441, 1703, 1727, 1965, 2041, 2145, 2355, 2751, 3003, 3297, 4323, 4585, 5005, 5109, 5181, 5495, 6123, 7205, 8515, 8635, 10087, 10205, 11921, 12089, 13755, 14287, 15015, 16485, 18733, 20567, 21615, 22451, 25545, 25905, 30261, 30615, 35763, 36267, 42861, 50435, 56199, 59605, 60445, 61701, 67353, 71435, 93665, 102835, 112255, 131131, 143969, 151305, 157157, 178815, 181335, 214305, 226237, 267371, 280995, 308505, 336765, 393393, 431907, 471471, 655655, 678711, 719845, 785785, 802113, 1131185, 1336855, 1583659, 1871597, 1966965, 2159535, 2357355, 2941081, 3393555, 4010565, 4750977, 5614791, 7918295, 8823243, 9357985, 14705405, 20587567, 23754885, 28073955, 44116215, 61762701, 102937835, 308813505]

約数ペア:

[(1, 308813505), (3, 102937835), (5, 61762701), (7, 44116215), (11, 28073955), (13, 23754885), (15, 20587567), (21, 14705405), (33, 9357985), (35, 8823243), (39, 7918295), (55, 5614791), (65, 4750977), (77, 4010565), (91, 3393555), (105, 2941081), (131, 2357355), (143, 2159535), (157, 1966965), (165, 1871597), (195, 1583659), (231, 1336855), (273, 1131185), (385, 802113), (393, 785785), (429, 719845), (455, 678711), (471, 655655), (655, 471471), (715, 431907), (785, 393393), (917, 336765), (1001, 308505), (1099, 280995), (1155, 267371), (1365, 226237), (1441, 214305), (1703, 181335), (1727, 178815), (1965, 157157), (2041, 151305), (2145, 143969), (2355, 131131), (2751, 112255), (3003, 102835), (3297, 93665), (4323, 71435), (4585, 67353), (5005, 61701), (5109, 60445), (5181, 59605), (5495, 56199), (6123, 50435), (7205, 42861), (8515, 36267), (8635, 35763), (10087, 30615), (10205, 30261), (11921, 25905), (12089, 25545), (13755, 22451), (14287, 21615), (15015, 20567), (16485, 18733)]