309988952

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:425

約数の個数: 128

約数和(自身を含む): 765811200

約数和(自身を除く): 455822248

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 73, 76, 91, 104, 133, 146, 152, 182, 247, 266, 292, 307, 364, 494, 511, 532, 584, 614, 728, 949, 988, 1022, 1064, 1228, 1387, 1729, 1898, 1976, 2044, 2149, 2456, 2774, 3458, 3796, 3991, 4088, 4298, 5548, 5833, 6643, 6916, 7592, 7982, 8596, 9709, 11096, 11666, 13286, 13832, 15964, 17192, 18031, 19418, 22411, 23332, 26572, 27937, 31928, 36062, 38836, 40831, 44822, 46664, 53144, 55874, 72124, 75829, 77672, 81662, 89644, 111748, 126217, 144248, 151658, 156877, 163324, 179288, 223496, 252434, 291343, 303316, 313754, 326648, 425809, 504868, 530803, 582686, 606632, 627508, 851618, 1009736, 1061606, 1165372, 1255016, 1703236, 2039401, 2123212, 2330744, 2980663, 3406472, 4078802, 4246424, 5535517, 5961326, 8157604, 11071034, 11922652, 16315208, 22142068, 23845304, 38748619, 44284136, 77497238, 154994476, 309988952]

約数ペア:

[(1, 309988952), (2, 154994476), (4, 77497238), (7, 44284136), (8, 38748619), (13, 23845304), (14, 22142068), (19, 16315208), (26, 11922652), (28, 11071034), (38, 8157604), (52, 5961326), (56, 5535517), (73, 4246424), (76, 4078802), (91, 3406472), (104, 2980663), (133, 2330744), (146, 2123212), (152, 2039401), (182, 1703236), (247, 1255016), (266, 1165372), (292, 1061606), (307, 1009736), (364, 851618), (494, 627508), (511, 606632), (532, 582686), (584, 530803), (614, 504868), (728, 425809), (949, 326648), (988, 313754), (1022, 303316), (1064, 291343), (1228, 252434), (1387, 223496), (1729, 179288), (1898, 163324), (1976, 156877), (2044, 151658), (2149, 144248), (2456, 126217), (2774, 111748), (3458, 89644), (3796, 81662), (3991, 77672), (4088, 75829), (4298, 72124), (5548, 55874), (5833, 53144), (6643, 46664), (6916, 44822), (7592, 40831), (7982, 38836), (8596, 36062), (9709, 31928), (11096, 27937), (11666, 26572), (13286, 23332), (13832, 22411), (15964, 19418), (17192, 18031)]