328822400

素因数分解:

$2^7\times 5^2\times {\mathrm{211}}^1\times {\mathrm{487}}^1$

素因数の和:722

約数の個数: 96

約数和(自身を含む): 817819680

約数和(自身を除く): 488997280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 211, 320, 400, 422, 487, 640, 800, 844, 974, 1055, 1600, 1688, 1948, 2110, 2435, 3200, 3376, 3896, 4220, 4870, 5275, 6752, 7792, 8440, 9740, 10550, 12175, 13504, 15584, 16880, 19480, 21100, 24350, 27008, 31168, 33760, 38960, 42200, 48700, 62336, 67520, 77920, 84400, 97400, 102757, 135040, 155840, 168800, 194800, 205514, 311680, 337600, 389600, 411028, 513785, 675200, 779200, 822056, 1027570, 1558400, 1644112, 2055140, 2568925, 3288224, 4110280, 5137850, 6576448, 8220560, 10275700, 13152896, 16441120, 20551400, 32882240, 41102800, 65764480, 82205600, 164411200, 328822400]

約数ペア:

[(1, 328822400), (2, 164411200), (4, 82205600), (5, 65764480), (8, 41102800), (10, 32882240), (16, 20551400), (20, 16441120), (25, 13152896), (32, 10275700), (40, 8220560), (50, 6576448), (64, 5137850), (80, 4110280), (100, 3288224), (128, 2568925), (160, 2055140), (200, 1644112), (211, 1558400), (320, 1027570), (400, 822056), (422, 779200), (487, 675200), (640, 513785), (800, 411028), (844, 389600), (974, 337600), (1055, 311680), (1600, 205514), (1688, 194800), (1948, 168800), (2110, 155840), (2435, 135040), (3200, 102757), (3376, 97400), (3896, 84400), (4220, 77920), (4870, 67520), (5275, 62336), (6752, 48700), (7792, 42200), (8440, 38960), (9740, 33760), (10550, 31168), (12175, 27008), (13504, 24350), (15584, 21100), (16880, 19480)]