253759512

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 687456000

約数和(自身を除く): 433696488

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 43, 58, 61, 86, 87, 116, 122, 129, 139, 172, 174, 183, 232, 244, 258, 278, 344, 348, 366, 417, 488, 516, 556, 696, 732, 834, 1032, 1112, 1247, 1464, 1668, 1769, 2494, 2623, 3336, 3538, 3741, 4031, 4988, 5246, 5307, 5977, 7076, 7482, 7869, 8062, 8479, 9976, 10492, 10614, 11954, 12093, 14152, 14964, 15738, 16124, 16958, 17931, 20984, 21228, 23908, 24186, 25437, 29928, 31476, 32248, 33916, 35862, 42456, 47816, 48372, 50874, 62952, 67832, 71724, 76067, 96744, 101748, 143448, 152134, 173333, 203496, 228201, 245891, 304268, 346666, 364597, 456402, 491782, 519999, 608536, 693332, 729194, 737673, 912804, 983564, 1039998, 1093791, 1386664, 1458388, 1475346, 1825608, 1967128, 2079996, 2187582, 2916776, 2950692, 4159992, 4375164, 5901384, 8750328, 10573313, 21146626, 31719939, 42293252, 63439878, 84586504, 126879756, 253759512]

約数ペア:

[(1, 253759512), (2, 126879756), (3, 84586504), (4, 63439878), (6, 42293252), (8, 31719939), (12, 21146626), (24, 10573313), (29, 8750328), (43, 5901384), (58, 4375164), (61, 4159992), (86, 2950692), (87, 2916776), (116, 2187582), (122, 2079996), (129, 1967128), (139, 1825608), (172, 1475346), (174, 1458388), (183, 1386664), (232, 1093791), (244, 1039998), (258, 983564), (278, 912804), (344, 737673), (348, 729194), (366, 693332), (417, 608536), (488, 519999), (516, 491782), (556, 456402), (696, 364597), (732, 346666), (834, 304268), (1032, 245891), (1112, 228201), (1247, 203496), (1464, 173333), (1668, 152134), (1769, 143448), (2494, 101748), (2623, 96744), (3336, 76067), (3538, 71724), (3741, 67832), (4031, 62952), (4988, 50874), (5246, 48372), (5307, 47816), (5977, 42456), (7076, 35862), (7482, 33916), (7869, 32248), (8062, 31476), (8479, 29928), (9976, 25437), (10492, 24186), (10614, 23908), (11954, 21228), (12093, 20984), (14152, 17931), (14964, 16958), (15738, 16124)]