201788895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 437944320

約数和(自身を除く): 236155425

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 43, 51, 55, 77, 85, 105, 119, 129, 165, 187, 215, 231, 239, 255, 301, 357, 385, 473, 561, 595, 645, 717, 731, 903, 935, 1155, 1195, 1309, 1419, 1505, 1673, 1785, 2193, 2365, 2629, 2805, 3311, 3585, 3655, 3927, 4063, 4515, 5019, 5117, 6545, 7095, 7887, 8041, 8365, 9933, 10277, 10965, 12189, 13145, 15351, 16555, 18403, 19635, 20315, 24123, 25095, 25585, 28441, 30831, 39435, 40205, 44693, 49665, 51385, 55209, 56287, 60945, 71939, 76755, 85323, 92015, 113047, 120615, 134079, 142205, 154155, 168861, 174709, 215817, 223465, 276045, 281435, 312851, 339141, 359695, 426615, 524127, 565235, 670395, 791329, 844305, 873545, 938553, 1079085, 1222963, 1564255, 1695705, 1921799, 2373987, 2620635, 3668889, 3956645, 4692765, 5765397, 6114815, 9608995, 11869935, 13452593, 18344445, 28826985, 40357779, 67262965, 201788895]

約数ペア:

[(1, 201788895), (3, 67262965), (5, 40357779), (7, 28826985), (11, 18344445), (15, 13452593), (17, 11869935), (21, 9608995), (33, 6114815), (35, 5765397), (43, 4692765), (51, 3956645), (55, 3668889), (77, 2620635), (85, 2373987), (105, 1921799), (119, 1695705), (129, 1564255), (165, 1222963), (187, 1079085), (215, 938553), (231, 873545), (239, 844305), (255, 791329), (301, 670395), (357, 565235), (385, 524127), (473, 426615), (561, 359695), (595, 339141), (645, 312851), (717, 281435), (731, 276045), (903, 223465), (935, 215817), (1155, 174709), (1195, 168861), (1309, 154155), (1419, 142205), (1505, 134079), (1673, 120615), (1785, 113047), (2193, 92015), (2365, 85323), (2629, 76755), (2805, 71939), (3311, 60945), (3585, 56287), (3655, 55209), (3927, 51385), (4063, 49665), (4515, 44693), (5019, 40205), (5117, 39435), (6545, 30831), (7095, 28441), (7887, 25585), (8041, 25095), (8365, 24123), (9933, 20315), (10277, 19635), (10965, 18403), (12189, 16555), (13145, 15351)]