201921664

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:478

約数の個数: 128

約数和(自身を含む): 501840000

約数和(自身を除く): 299918336

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 29, 32, 38, 56, 58, 64, 76, 112, 116, 128, 133, 152, 203, 224, 232, 266, 304, 406, 409, 448, 464, 532, 551, 608, 812, 818, 896, 928, 1064, 1102, 1216, 1624, 1636, 1856, 2128, 2204, 2432, 2863, 3248, 3272, 3712, 3857, 4256, 4408, 5726, 6496, 6544, 7714, 7771, 8512, 8816, 11452, 11861, 12992, 13088, 15428, 15542, 17024, 17632, 22904, 23722, 25984, 26176, 30856, 31084, 35264, 45808, 47444, 52352, 54397, 61712, 62168, 70528, 83027, 91616, 94888, 108794, 123424, 124336, 166054, 183232, 189776, 217588, 225359, 246848, 248672, 332108, 366464, 379552, 435176, 450718, 493696, 497344, 664216, 759104, 870352, 901436, 994688, 1328432, 1518208, 1577513, 1740704, 1802872, 2656864, 3155026, 3481408, 3605744, 5313728, 6310052, 6962816, 7211488, 10627456, 12620104, 14422976, 25240208, 28845952, 50480416, 100960832, 201921664]

約数ペア:

[(1, 201921664), (2, 100960832), (4, 50480416), (7, 28845952), (8, 25240208), (14, 14422976), (16, 12620104), (19, 10627456), (28, 7211488), (29, 6962816), (32, 6310052), (38, 5313728), (56, 3605744), (58, 3481408), (64, 3155026), (76, 2656864), (112, 1802872), (116, 1740704), (128, 1577513), (133, 1518208), (152, 1328432), (203, 994688), (224, 901436), (232, 870352), (266, 759104), (304, 664216), (406, 497344), (409, 493696), (448, 450718), (464, 435176), (532, 379552), (551, 366464), (608, 332108), (812, 248672), (818, 246848), (896, 225359), (928, 217588), (1064, 189776), (1102, 183232), (1216, 166054), (1624, 124336), (1636, 123424), (1856, 108794), (2128, 94888), (2204, 91616), (2432, 83027), (2863, 70528), (3248, 62168), (3272, 61712), (3712, 54397), (3857, 52352), (4256, 47444), (4408, 45808), (5726, 35264), (6496, 31084), (6544, 30856), (7714, 26176), (7771, 25984), (8512, 23722), (8816, 22904), (11452, 17632), (11861, 17024), (12992, 15542), (13088, 15428)]