201479680

素因数分解:

$2^9\times 5^1\times {\mathrm{211}}^1\times {\mathrm{373}}^1$

素因数の和:607

約数の個数: 80

約数和(自身を含む): 486669744

約数和(自身を除く): 285190064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 211, 256, 320, 373, 422, 512, 640, 746, 844, 1055, 1280, 1492, 1688, 1865, 2110, 2560, 2984, 3376, 3730, 4220, 5968, 6752, 7460, 8440, 11936, 13504, 14920, 16880, 23872, 27008, 29840, 33760, 47744, 54016, 59680, 67520, 78703, 95488, 108032, 119360, 135040, 157406, 190976, 238720, 270080, 314812, 393515, 477440, 540160, 629624, 787030, 954880, 1259248, 1574060, 2518496, 3148120, 5036992, 6296240, 10073984, 12592480, 20147968, 25184960, 40295936, 50369920, 100739840, 201479680]

約数ペア:

[(1, 201479680), (2, 100739840), (4, 50369920), (5, 40295936), (8, 25184960), (10, 20147968), (16, 12592480), (20, 10073984), (32, 6296240), (40, 5036992), (64, 3148120), (80, 2518496), (128, 1574060), (160, 1259248), (211, 954880), (256, 787030), (320, 629624), (373, 540160), (422, 477440), (512, 393515), (640, 314812), (746, 270080), (844, 238720), (1055, 190976), (1280, 157406), (1492, 135040), (1688, 119360), (1865, 108032), (2110, 95488), (2560, 78703), (2984, 67520), (3376, 59680), (3730, 54016), (4220, 47744), (5968, 33760), (6752, 29840), (7460, 27008), (8440, 23872), (11936, 16880), (13504, 14920)]