28204060528

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{307}}^1$

素因数の和:520

約数の個数: 240

約数和(自身を含む): 69239880864

約数和(自身を除く): 41035820336

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 61, 68, 98, 112, 113, 119, 122, 136, 196, 226, 238, 244, 272, 307, 392, 427, 452, 476, 488, 614, 784, 791, 833, 854, 904, 952, 976, 1037, 1228, 1582, 1666, 1708, 1808, 1904, 1921, 2074, 2149, 2456, 2989, 3164, 3332, 3416, 3842, 4148, 4298, 4912, 5219, 5537, 5978, 6328, 6664, 6832, 6893, 7259, 7684, 8296, 8596, 10438, 11074, 11956, 12656, 13328, 13447, 13786, 14518, 15043, 15368, 16592, 17192, 18727, 20876, 22148, 23912, 26894, 27572, 29036, 30086, 30736, 34384, 34691, 36533, 37454, 41752, 44296, 47824, 48251, 50813, 53788, 55144, 58072, 60172, 69382, 73066, 74908, 83504, 88592, 94129, 96502, 101626, 107576, 110288, 116144, 117181, 120344, 131089, 138764, 146132, 149816, 188258, 193004, 203252, 215152, 234362, 240688, 242837, 255731, 262178, 277528, 292264, 299632, 318359, 337757, 376516, 386008, 406504, 468724, 485674, 511462, 524356, 555056, 584528, 589747, 636718, 675514, 753032, 772016, 813008, 820267, 917623, 937448, 971348, 1022924, 1048712, 1179494, 1273436, 1351028, 1506064, 1640534, 1699859, 1835246, 1874896, 1942696, 2045848, 2097424, 2116151, 2228513, 2358988, 2546872, 2702056, 3281068, 3399718, 3670492, 3885392, 4091696, 4128229, 4232302, 4457026, 4717976, 5093744, 5404112, 5741869, 6562136, 6799436, 7340984, 8256458, 8464604, 8914052, 9435952, 11483738, 13124272, 13598872, 14681968, 14813057, 15599591, 16512916, 16929208, 17828104, 22967476, 27197744, 28897603, 29626114, 31199182, 33025832, 33858416, 35656208, 35974567, 45934952, 57795206, 59252228, 62398364, 66051664, 71949134, 91869904, 103691399, 115590412, 118504456, 124796728, 143898268, 207382798, 231180824, 237008912, 249593456, 251821969, 287796536, 414765596, 462361648, 503643938, 575593072, 829531192, 1007287876, 1659062384, 1762753783, 2014575752, 3525507566, 4029151504, 7051015132, 14102030264, 28204060528]

約数ペア:

[(1, 28204060528), (2, 14102030264), (4, 7051015132), (7, 4029151504), (8, 3525507566), (14, 2014575752), (16, 1762753783), (17, 1659062384), (28, 1007287876), (34, 829531192), (49, 575593072), (56, 503643938), (61, 462361648), (68, 414765596), (98, 287796536), (112, 251821969), (113, 249593456), (119, 237008912), (122, 231180824), (136, 207382798), (196, 143898268), (226, 124796728), (238, 118504456), (244, 115590412), (272, 103691399), (307, 91869904), (392, 71949134), (427, 66051664), (452, 62398364), (476, 59252228), (488, 57795206), (614, 45934952), (784, 35974567), (791, 35656208), (833, 33858416), (854, 33025832), (904, 31199182), (952, 29626114), (976, 28897603), (1037, 27197744), (1228, 22967476), (1582, 17828104), (1666, 16929208), (1708, 16512916), (1808, 15599591), (1904, 14813057), (1921, 14681968), (2074, 13598872), (2149, 13124272), (2456, 11483738), (2989, 9435952), (3164, 8914052), (3332, 8464604), (3416, 8256458), (3842, 7340984), (4148, 6799436), (4298, 6562136), (4912, 5741869), (5219, 5404112), (5537, 5093744), (5978, 4717976), (6328, 4457026), (6664, 4232302), (6832, 4128229), (6893, 4091696), (7259, 3885392), (7684, 3670492), (8296, 3399718), (8596, 3281068), (10438, 2702056), (11074, 2546872), (11956, 2358988), (12656, 2228513), (13328, 2116151), (13447, 2097424), (13786, 2045848), (14518, 1942696), (15043, 1874896), (15368, 1835246), (16592, 1699859), (17192, 1640534), (18727, 1506064), (20876, 1351028), (22148, 1273436), (23912, 1179494), (26894, 1048712), (27572, 1022924), (29036, 971348), (30086, 937448), (30736, 917623), (34384, 820267), (34691, 813008), (36533, 772016), (37454, 753032), (41752, 675514), (44296, 636718), (47824, 589747), (48251, 584528), (50813, 555056), (53788, 524356), (55144, 511462), (58072, 485674), (60172, 468724), (69382, 406504), (73066, 386008), (74908, 376516), (83504, 337757), (88592, 318359), (94129, 299632), (96502, 292264), (101626, 277528), (107576, 262178), (110288, 255731), (116144, 242837), (117181, 240688), (120344, 234362), (131089, 215152), (138764, 203252), (146132, 193004), (149816, 188258)]