400097152

素因数分解:

$2^7\times 7^3\times {\mathrm{13}}^1\times {\mathrm{701}}^1$

素因数の和:749

約数の個数: 128

約数和(自身を含む): 1002456000

約数和(自身を除く): 602358848

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 343, 364, 392, 416, 448, 637, 686, 701, 728, 784, 832, 896, 1274, 1372, 1402, 1456, 1568, 1664, 2548, 2744, 2804, 2912, 3136, 4459, 4907, 5096, 5488, 5608, 5824, 6272, 8918, 9113, 9814, 10192, 10976, 11216, 11648, 17836, 18226, 19628, 20384, 21952, 22432, 34349, 35672, 36452, 39256, 40768, 43904, 44864, 63791, 68698, 71344, 72904, 78512, 81536, 89728, 127582, 137396, 142688, 145808, 157024, 240443, 255164, 274792, 285376, 291616, 314048, 446537, 480886, 510328, 549584, 570752, 583232, 628096, 893074, 961772, 1020656, 1099168, 1166464, 1786148, 1923544, 2041312, 2198336, 3125759, 3572296, 3847088, 4082624, 4396672, 6251518, 7144592, 7694176, 8165248, 12503036, 14289184, 15388352, 25006072, 28578368, 30776704, 50012144, 57156736, 100024288, 200048576, 400097152]

約数ペア:

[(1, 400097152), (2, 200048576), (4, 100024288), (7, 57156736), (8, 50012144), (13, 30776704), (14, 28578368), (16, 25006072), (26, 15388352), (28, 14289184), (32, 12503036), (49, 8165248), (52, 7694176), (56, 7144592), (64, 6251518), (91, 4396672), (98, 4082624), (104, 3847088), (112, 3572296), (128, 3125759), (182, 2198336), (196, 2041312), (208, 1923544), (224, 1786148), (343, 1166464), (364, 1099168), (392, 1020656), (416, 961772), (448, 893074), (637, 628096), (686, 583232), (701, 570752), (728, 549584), (784, 510328), (832, 480886), (896, 446537), (1274, 314048), (1372, 291616), (1402, 285376), (1456, 274792), (1568, 255164), (1664, 240443), (2548, 157024), (2744, 145808), (2804, 142688), (2912, 137396), (3136, 127582), (4459, 89728), (4907, 81536), (5096, 78512), (5488, 72904), (5608, 71344), (5824, 68698), (6272, 63791), (8918, 44864), (9113, 43904), (9814, 40768), (10192, 39256), (10976, 36452), (11216, 35672), (11648, 34349), (17836, 22432), (18226, 21952), (19628, 20384)]