399872928

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{503}}^1$

素因数の和:556

約数の個数: 216

約数和(自身を含む): 1324820448

約数和(自身を除く): 924947520

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 49, 52, 56, 78, 84, 91, 96, 98, 104, 112, 147, 156, 168, 169, 182, 196, 208, 224, 273, 294, 312, 336, 338, 364, 392, 416, 503, 507, 546, 588, 624, 637, 672, 676, 728, 784, 1006, 1014, 1092, 1176, 1183, 1248, 1274, 1352, 1456, 1509, 1568, 1911, 2012, 2028, 2184, 2352, 2366, 2548, 2704, 2912, 3018, 3521, 3549, 3822, 4024, 4056, 4368, 4704, 4732, 5096, 5408, 6036, 6539, 7042, 7098, 7644, 8048, 8112, 8281, 8736, 9464, 10192, 10563, 12072, 13078, 14084, 14196, 15288, 16096, 16224, 16562, 18928, 19617, 20384, 21126, 24144, 24647, 24843, 26156, 28168, 28392, 30576, 33124, 37856, 39234, 42252, 45773, 48288, 49294, 49686, 52312, 56336, 56784, 61152, 66248, 73941, 78468, 84504, 85007, 91546, 98588, 99372, 104624, 112672, 113568, 132496, 137319, 147882, 156936, 169008, 170014, 183092, 197176, 198744, 209248, 255021, 264992, 274638, 295764, 313872, 320411, 338016, 340028, 366184, 394352, 397488, 510042, 549276, 591528, 595049, 627744, 640822, 680056, 732368, 788704, 794976, 961233, 1020084, 1098552, 1183056, 1190098, 1281644, 1360112, 1464736, 1785147, 1922466, 2040168, 2197104, 2366112, 2380196, 2563288, 2720224, 3570294, 3844932, 4080336, 4165343, 4394208, 4760392, 5126576, 7140588, 7689864, 8160672, 8330686, 9520784, 10253152, 12496029, 14281176, 15379728, 16661372, 19041568, 24992058, 28562352, 30759456, 33322744, 49984116, 57124704, 66645488, 99968232, 133290976, 199936464, 399872928]

約数ペア:

[(1, 399872928), (2, 199936464), (3, 133290976), (4, 99968232), (6, 66645488), (7, 57124704), (8, 49984116), (12, 33322744), (13, 30759456), (14, 28562352), (16, 24992058), (21, 19041568), (24, 16661372), (26, 15379728), (28, 14281176), (32, 12496029), (39, 10253152), (42, 9520784), (48, 8330686), (49, 8160672), (52, 7689864), (56, 7140588), (78, 5126576), (84, 4760392), (91, 4394208), (96, 4165343), (98, 4080336), (104, 3844932), (112, 3570294), (147, 2720224), (156, 2563288), (168, 2380196), (169, 2366112), (182, 2197104), (196, 2040168), (208, 1922466), (224, 1785147), (273, 1464736), (294, 1360112), (312, 1281644), (336, 1190098), (338, 1183056), (364, 1098552), (392, 1020084), (416, 961233), (503, 794976), (507, 788704), (546, 732368), (588, 680056), (624, 640822), (637, 627744), (672, 595049), (676, 591528), (728, 549276), (784, 510042), (1006, 397488), (1014, 394352), (1092, 366184), (1176, 340028), (1183, 338016), (1248, 320411), (1274, 313872), (1352, 295764), (1456, 274638), (1509, 264992), (1568, 255021), (1911, 209248), (2012, 198744), (2028, 197176), (2184, 183092), (2352, 170014), (2366, 169008), (2548, 156936), (2704, 147882), (2912, 137319), (3018, 132496), (3521, 113568), (3549, 112672), (3822, 104624), (4024, 99372), (4056, 98588), (4368, 91546), (4704, 85007), (4732, 84504), (5096, 78468), (5408, 73941), (6036, 66248), (6539, 61152), (7042, 56784), (7098, 56336), (7644, 52312), (8048, 49686), (8112, 49294), (8281, 48288), (8736, 45773), (9464, 42252), (10192, 39234), (10563, 37856), (12072, 33124), (13078, 30576), (14084, 28392), (14196, 28168), (15288, 26156), (16096, 24843), (16224, 24647), (16562, 24144), (18928, 21126), (19617, 20384)]