210842500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:104

約数の個数: 180

約数和(自身を含む): 549695916

約数和(自身を除く): 338853416

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 41, 44, 50, 55, 68, 82, 85, 100, 110, 121, 125, 164, 170, 187, 205, 220, 242, 250, 275, 340, 374, 410, 425, 451, 484, 500, 550, 605, 625, 697, 748, 820, 850, 902, 935, 1025, 1100, 1210, 1250, 1375, 1394, 1700, 1804, 1870, 2050, 2057, 2125, 2255, 2420, 2500, 2750, 2788, 3025, 3485, 3740, 4100, 4114, 4250, 4510, 4675, 4961, 5125, 5500, 6050, 6875, 6970, 7667, 8228, 8500, 9020, 9350, 9922, 10250, 10285, 10625, 11275, 12100, 13750, 13940, 15125, 15334, 17425, 18700, 19844, 20500, 20570, 21250, 22550, 23375, 24805, 25625, 27500, 30250, 30668, 34850, 38335, 41140, 42500, 45100, 46750, 49610, 51250, 51425, 56375, 60500, 69700, 75625, 76670, 84337, 87125, 93500, 99220, 102500, 102850, 112750, 116875, 124025, 151250, 153340, 168674, 174250, 191675, 205700, 225500, 233750, 248050, 257125, 281875, 302500, 337348, 348500, 383350, 421685, 435625, 467500, 496100, 514250, 563750, 620125, 766700, 843370, 871250, 958375, 1028500, 1127500, 1240250, 1285625, 1686740, 1742500, 1916750, 2108425, 2480500, 2571250, 3100625, 3833500, 4216850, 4791875, 5142500, 6201250, 8433700, 9583750, 10542125, 12402500, 19167500, 21084250, 42168500, 52710625, 105421250, 210842500]

約数ペア:

[(1, 210842500), (2, 105421250), (4, 52710625), (5, 42168500), (10, 21084250), (11, 19167500), (17, 12402500), (20, 10542125), (22, 9583750), (25, 8433700), (34, 6201250), (41, 5142500), (44, 4791875), (50, 4216850), (55, 3833500), (68, 3100625), (82, 2571250), (85, 2480500), (100, 2108425), (110, 1916750), (121, 1742500), (125, 1686740), (164, 1285625), (170, 1240250), (187, 1127500), (205, 1028500), (220, 958375), (242, 871250), (250, 843370), (275, 766700), (340, 620125), (374, 563750), (410, 514250), (425, 496100), (451, 467500), (484, 435625), (500, 421685), (550, 383350), (605, 348500), (625, 337348), (697, 302500), (748, 281875), (820, 257125), (850, 248050), (902, 233750), (935, 225500), (1025, 205700), (1100, 191675), (1210, 174250), (1250, 168674), (1375, 153340), (1394, 151250), (1700, 124025), (1804, 116875), (1870, 112750), (2050, 102850), (2057, 102500), (2125, 99220), (2255, 93500), (2420, 87125), (2500, 84337), (2750, 76670), (2788, 75625), (3025, 69700), (3485, 60500), (3740, 56375), (4100, 51425), (4114, 51250), (4250, 49610), (4510, 46750), (4675, 45100), (4961, 42500), (5125, 41140), (5500, 38335), (6050, 34850), (6875, 30668), (6970, 30250), (7667, 27500), (8228, 25625), (8500, 24805), (9020, 23375), (9350, 22550), (9922, 21250), (10250, 20570), (10285, 20500), (10625, 19844), (11275, 18700), (12100, 17425), (13750, 15334), (13940, 15125)]