204961120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2011}}^1$

素因数の和:2053

約数の個数: 144

約数和(自身を含む): 606907728

約数和(自身を除く): 401946608

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1120, 1274, 1456, 1568, 1820, 1960, 2011, 2080, 2548, 2912, 3185, 3640, 3920, 4022, 5096, 6370, 7280, 7840, 8044, 10055, 10192, 12740, 14077, 14560, 16088, 20110, 20384, 25480, 26143, 28154, 32176, 40220, 50960, 52286, 56308, 64352, 70385, 80440, 98539, 101920, 104572, 112616, 130715, 140770, 160880, 183001, 197078, 209144, 225232, 261430, 281540, 321760, 366002, 394156, 418288, 450464, 492695, 522860, 563080, 732004, 788312, 836576, 915005, 985390, 1045720, 1126160, 1281007, 1464008, 1576624, 1830010, 1970780, 2091440, 2252320, 2562014, 2928016, 3153248, 3660020, 3941560, 4182880, 5124028, 5856032, 6405035, 7320040, 7883120, 10248056, 12810070, 14640080, 15766240, 20496112, 25620140, 29280160, 40992224, 51240280, 102480560, 204961120]

約数ペア:

[(1, 204961120), (2, 102480560), (4, 51240280), (5, 40992224), (7, 29280160), (8, 25620140), (10, 20496112), (13, 15766240), (14, 14640080), (16, 12810070), (20, 10248056), (26, 7883120), (28, 7320040), (32, 6405035), (35, 5856032), (40, 5124028), (49, 4182880), (52, 3941560), (56, 3660020), (65, 3153248), (70, 2928016), (80, 2562014), (91, 2252320), (98, 2091440), (104, 1970780), (112, 1830010), (130, 1576624), (140, 1464008), (160, 1281007), (182, 1126160), (196, 1045720), (208, 985390), (224, 915005), (245, 836576), (260, 788312), (280, 732004), (364, 563080), (392, 522860), (416, 492695), (455, 450464), (490, 418288), (520, 394156), (560, 366002), (637, 321760), (728, 281540), (784, 261430), (910, 225232), (980, 209144), (1040, 197078), (1120, 183001), (1274, 160880), (1456, 140770), (1568, 130715), (1820, 112616), (1960, 104572), (2011, 101920), (2080, 98539), (2548, 80440), (2912, 70385), (3185, 64352), (3640, 56308), (3920, 52286), (4022, 50960), (5096, 40220), (6370, 32176), (7280, 28154), (7840, 26143), (8044, 25480), (10055, 20384), (10192, 20110), (12740, 16088), (14077, 14560)]