399763952

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:659

約数の個数: 120

約数和(自身を含む): 970295040

約数和(自身を除く): 570531088

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 47, 49, 56, 76, 94, 98, 112, 133, 152, 188, 196, 266, 304, 329, 376, 392, 532, 571, 658, 752, 784, 893, 931, 1064, 1142, 1316, 1786, 1862, 2128, 2284, 2303, 2632, 3572, 3724, 3997, 4568, 4606, 5264, 6251, 7144, 7448, 7994, 9136, 9212, 10849, 12502, 14288, 14896, 15988, 18424, 21698, 25004, 26837, 27979, 31976, 36848, 43396, 43757, 50008, 53674, 55958, 63952, 75943, 86792, 87514, 100016, 107348, 111916, 151886, 173584, 175028, 187859, 214696, 223832, 303772, 350056, 375718, 429392, 447664, 509903, 531601, 607544, 700112, 751436, 1019806, 1063202, 1215088, 1315013, 1502872, 2039612, 2126404, 2630026, 3005744, 3569321, 4079224, 4252808, 5260052, 7138642, 8158448, 8505616, 10520104, 14277284, 21040208, 24985247, 28554568, 49970494, 57109136, 99940988, 199881976, 399763952]

約数ペア:

[(1, 399763952), (2, 199881976), (4, 99940988), (7, 57109136), (8, 49970494), (14, 28554568), (16, 24985247), (19, 21040208), (28, 14277284), (38, 10520104), (47, 8505616), (49, 8158448), (56, 7138642), (76, 5260052), (94, 4252808), (98, 4079224), (112, 3569321), (133, 3005744), (152, 2630026), (188, 2126404), (196, 2039612), (266, 1502872), (304, 1315013), (329, 1215088), (376, 1063202), (392, 1019806), (532, 751436), (571, 700112), (658, 607544), (752, 531601), (784, 509903), (893, 447664), (931, 429392), (1064, 375718), (1142, 350056), (1316, 303772), (1786, 223832), (1862, 214696), (2128, 187859), (2284, 175028), (2303, 173584), (2632, 151886), (3572, 111916), (3724, 107348), (3997, 100016), (4568, 87514), (4606, 86792), (5264, 75943), (6251, 63952), (7144, 55958), (7448, 53674), (7994, 50008), (9136, 43757), (9212, 43396), (10849, 36848), (12502, 31976), (14288, 27979), (14896, 26837), (15988, 25004), (18424, 21698)]