399733120

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:300

約数の個数: 128

約数和(自身を含む): 993202560

約数和(自身を除く): 593469440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 97, 128, 137, 160, 188, 194, 235, 274, 320, 376, 388, 470, 485, 548, 640, 685, 752, 776, 940, 970, 1096, 1370, 1504, 1552, 1880, 1940, 2192, 2740, 3008, 3104, 3760, 3880, 4384, 4559, 5480, 6016, 6208, 6439, 7520, 7760, 8768, 9118, 10960, 12416, 12878, 13289, 15040, 15520, 17536, 18236, 21920, 22795, 25756, 26578, 30080, 31040, 32195, 36472, 43840, 45590, 51512, 53156, 62080, 64390, 66445, 72944, 87680, 91180, 103024, 106312, 128780, 132890, 145888, 182360, 206048, 212624, 257560, 265780, 291776, 364720, 412096, 425248, 515120, 531560, 583552, 624583, 729440, 824192, 850496, 1030240, 1063120, 1249166, 1458880, 1700992, 2060480, 2126240, 2498332, 2917760, 3122915, 4120960, 4252480, 4996664, 6245830, 8504960, 9993328, 12491660, 19986656, 24983320, 39973312, 49966640, 79946624, 99933280, 199866560, 399733120]

約数ペア:

[(1, 399733120), (2, 199866560), (4, 99933280), (5, 79946624), (8, 49966640), (10, 39973312), (16, 24983320), (20, 19986656), (32, 12491660), (40, 9993328), (47, 8504960), (64, 6245830), (80, 4996664), (94, 4252480), (97, 4120960), (128, 3122915), (137, 2917760), (160, 2498332), (188, 2126240), (194, 2060480), (235, 1700992), (274, 1458880), (320, 1249166), (376, 1063120), (388, 1030240), (470, 850496), (485, 824192), (548, 729440), (640, 624583), (685, 583552), (752, 531560), (776, 515120), (940, 425248), (970, 412096), (1096, 364720), (1370, 291776), (1504, 265780), (1552, 257560), (1880, 212624), (1940, 206048), (2192, 182360), (2740, 145888), (3008, 132890), (3104, 128780), (3760, 106312), (3880, 103024), (4384, 91180), (4559, 87680), (5480, 72944), (6016, 66445), (6208, 64390), (6439, 62080), (7520, 53156), (7760, 51512), (8768, 45590), (9118, 43840), (10960, 36472), (12416, 32195), (12878, 31040), (13289, 30080), (15040, 26578), (15520, 25756), (17536, 22795), (18236, 21920)]