257674428

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1489}}^1$

素因数の和:1552

約数の個数: 144

約数和(自身を含む): 780998400

約数和(自身を除く): 523323972

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 23, 33, 36, 38, 44, 46, 57, 66, 69, 76, 92, 99, 114, 132, 138, 171, 198, 207, 209, 228, 253, 276, 342, 396, 414, 418, 437, 506, 627, 684, 759, 828, 836, 874, 1012, 1254, 1311, 1489, 1518, 1748, 1881, 2277, 2508, 2622, 2978, 3036, 3762, 3933, 4467, 4554, 4807, 5244, 5956, 7524, 7866, 8934, 9108, 9614, 13401, 14421, 15732, 16379, 17868, 19228, 26802, 28291, 28842, 32758, 34247, 43263, 49137, 53604, 56582, 57684, 65516, 68494, 84873, 86526, 98274, 102741, 113164, 136988, 147411, 169746, 173052, 196548, 205482, 254619, 294822, 308223, 311201, 339492, 376717, 410964, 509238, 589644, 616446, 622402, 650693, 753434, 933603, 1018476, 1130151, 1232892, 1244804, 1301386, 1506868, 1867206, 1952079, 2260302, 2602772, 2800809, 3390453, 3734412, 3904158, 4520604, 5601618, 5856237, 6780906, 7157623, 7808316, 11203236, 11712474, 13561812, 14315246, 21472869, 23424948, 28630492, 42945738, 64418607, 85891476, 128837214, 257674428]

約数ペア:

[(1, 257674428), (2, 128837214), (3, 85891476), (4, 64418607), (6, 42945738), (9, 28630492), (11, 23424948), (12, 21472869), (18, 14315246), (19, 13561812), (22, 11712474), (23, 11203236), (33, 7808316), (36, 7157623), (38, 6780906), (44, 5856237), (46, 5601618), (57, 4520604), (66, 3904158), (69, 3734412), (76, 3390453), (92, 2800809), (99, 2602772), (114, 2260302), (132, 1952079), (138, 1867206), (171, 1506868), (198, 1301386), (207, 1244804), (209, 1232892), (228, 1130151), (253, 1018476), (276, 933603), (342, 753434), (396, 650693), (414, 622402), (418, 616446), (437, 589644), (506, 509238), (627, 410964), (684, 376717), (759, 339492), (828, 311201), (836, 308223), (874, 294822), (1012, 254619), (1254, 205482), (1311, 196548), (1489, 173052), (1518, 169746), (1748, 147411), (1881, 136988), (2277, 113164), (2508, 102741), (2622, 98274), (2978, 86526), (3036, 84873), (3762, 68494), (3933, 65516), (4467, 57684), (4554, 56582), (4807, 53604), (5244, 49137), (5956, 43263), (7524, 34247), (7866, 32758), (8934, 28842), (9108, 28291), (9614, 26802), (13401, 19228), (14421, 17868), (15732, 16379)]