263195660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:392

約数の個数: 144

約数和(自身を含む): 704372256

約数和(自身を除く): 441176596

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 73, 91, 98, 130, 140, 146, 182, 196, 245, 260, 283, 292, 364, 365, 455, 490, 511, 566, 637, 730, 910, 949, 980, 1022, 1132, 1274, 1415, 1460, 1820, 1898, 1981, 2044, 2548, 2555, 2830, 3185, 3577, 3679, 3796, 3962, 4745, 5110, 5660, 6370, 6643, 7154, 7358, 7924, 9490, 9905, 10220, 12740, 13286, 13867, 14308, 14716, 17885, 18395, 18980, 19810, 20659, 25753, 26572, 27734, 33215, 35770, 36790, 39620, 41318, 46501, 51506, 55468, 66430, 69335, 71540, 73580, 82636, 93002, 103012, 103295, 128765, 132860, 138670, 144613, 180271, 186004, 206590, 232505, 257530, 268567, 277340, 289226, 360542, 413180, 465010, 515060, 537134, 578452, 721084, 723065, 901355, 930020, 1012291, 1074268, 1342835, 1446130, 1802710, 1879969, 2024582, 2685670, 2892260, 3605420, 3759938, 4049164, 5061455, 5371340, 7519876, 9399845, 10122910, 13159783, 18799690, 20245820, 26319566, 37599380, 52639132, 65798915, 131597830, 263195660]

約数ペア:

[(1, 263195660), (2, 131597830), (4, 65798915), (5, 52639132), (7, 37599380), (10, 26319566), (13, 20245820), (14, 18799690), (20, 13159783), (26, 10122910), (28, 9399845), (35, 7519876), (49, 5371340), (52, 5061455), (65, 4049164), (70, 3759938), (73, 3605420), (91, 2892260), (98, 2685670), (130, 2024582), (140, 1879969), (146, 1802710), (182, 1446130), (196, 1342835), (245, 1074268), (260, 1012291), (283, 930020), (292, 901355), (364, 723065), (365, 721084), (455, 578452), (490, 537134), (511, 515060), (566, 465010), (637, 413180), (730, 360542), (910, 289226), (949, 277340), (980, 268567), (1022, 257530), (1132, 232505), (1274, 206590), (1415, 186004), (1460, 180271), (1820, 144613), (1898, 138670), (1981, 132860), (2044, 128765), (2548, 103295), (2555, 103012), (2830, 93002), (3185, 82636), (3577, 73580), (3679, 71540), (3796, 69335), (3962, 66430), (4745, 55468), (5110, 51506), (5660, 46501), (6370, 41318), (6643, 39620), (7154, 36790), (7358, 35770), (7924, 33215), (9490, 27734), (9905, 26572), (10220, 25753), (12740, 20659), (13286, 19810), (13867, 18980), (14308, 18395), (14716, 17885)]