211399440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5471}}^1$

素因数の和:5517

約数の個数: 160

約数和(自身を含む): 781664256

約数和(自身を除く): 570264816

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 105, 112, 115, 120, 138, 140, 161, 168, 184, 210, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 483, 552, 560, 644, 690, 805, 840, 920, 966, 1104, 1288, 1380, 1610, 1680, 1840, 1932, 2415, 2576, 2760, 3220, 3864, 4830, 5471, 5520, 6440, 7728, 9660, 10942, 12880, 16413, 19320, 21884, 27355, 32826, 38297, 38640, 43768, 54710, 65652, 76594, 82065, 87536, 109420, 114891, 125833, 131304, 153188, 164130, 191485, 218840, 229782, 251666, 262608, 306376, 328260, 377499, 382970, 437680, 459564, 503332, 574455, 612752, 629165, 656520, 754998, 765940, 880831, 919128, 1006664, 1148910, 1258330, 1313040, 1509996, 1531880, 1761662, 1838256, 1887495, 2013328, 2297820, 2516660, 2642493, 3019992, 3063760, 3523324, 3774990, 4404155, 4595640, 5033320, 5284986, 6039984, 7046648, 7549980, 8808310, 9191280, 10066640, 10569972, 13212465, 14093296, 15099960, 17616620, 21139944, 26424930, 30199920, 35233240, 42279888, 52849860, 70466480, 105699720, 211399440]

約数ペア:

[(1, 211399440), (2, 105699720), (3, 70466480), (4, 52849860), (5, 42279888), (6, 35233240), (7, 30199920), (8, 26424930), (10, 21139944), (12, 17616620), (14, 15099960), (15, 14093296), (16, 13212465), (20, 10569972), (21, 10066640), (23, 9191280), (24, 8808310), (28, 7549980), (30, 7046648), (35, 6039984), (40, 5284986), (42, 5033320), (46, 4595640), (48, 4404155), (56, 3774990), (60, 3523324), (69, 3063760), (70, 3019992), (80, 2642493), (84, 2516660), (92, 2297820), (105, 2013328), (112, 1887495), (115, 1838256), (120, 1761662), (138, 1531880), (140, 1509996), (161, 1313040), (168, 1258330), (184, 1148910), (210, 1006664), (230, 919128), (240, 880831), (276, 765940), (280, 754998), (322, 656520), (336, 629165), (345, 612752), (368, 574455), (420, 503332), (460, 459564), (483, 437680), (552, 382970), (560, 377499), (644, 328260), (690, 306376), (805, 262608), (840, 251666), (920, 229782), (966, 218840), (1104, 191485), (1288, 164130), (1380, 153188), (1610, 131304), (1680, 125833), (1840, 114891), (1932, 109420), (2415, 87536), (2576, 82065), (2760, 76594), (3220, 65652), (3864, 54710), (4830, 43768), (5471, 38640), (5520, 38297), (6440, 32826), (7728, 27355), (9660, 21884), (10942, 19320), (12880, 16413)]