687901940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{727}}^1$

素因数の和:798

約数の個数: 144

約数和(自身を含む): 1756774656

約数和(自身を除く): 1068872716

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 23, 34, 44, 46, 55, 68, 85, 92, 110, 115, 121, 170, 187, 220, 230, 242, 253, 340, 374, 391, 460, 484, 506, 605, 727, 748, 782, 935, 1012, 1210, 1265, 1454, 1564, 1870, 1955, 2057, 2420, 2530, 2783, 2908, 3635, 3740, 3910, 4114, 4301, 5060, 5566, 7270, 7820, 7997, 8228, 8602, 10285, 11132, 12359, 13915, 14540, 15994, 16721, 17204, 20570, 21505, 24718, 27830, 31988, 33442, 39985, 41140, 43010, 47311, 49436, 55660, 61795, 66884, 79970, 83605, 86020, 87967, 94622, 123590, 135949, 159940, 167210, 175934, 183931, 189244, 236555, 247180, 271898, 284257, 334420, 351868, 367862, 439835, 473110, 543796, 568514, 679745, 735724, 879670, 919655, 946220, 1137028, 1359490, 1421285, 1495439, 1759340, 1839310, 2023241, 2718980, 2842570, 2990878, 3126827, 3678620, 4046482, 5685140, 5981756, 6253654, 7477195, 8092964, 10116205, 12507308, 14954390, 15634135, 20232410, 29908780, 31268270, 34395097, 40464820, 62536540, 68790194, 137580388, 171975485, 343950970, 687901940]

約数ペア:

[(1, 687901940), (2, 343950970), (4, 171975485), (5, 137580388), (10, 68790194), (11, 62536540), (17, 40464820), (20, 34395097), (22, 31268270), (23, 29908780), (34, 20232410), (44, 15634135), (46, 14954390), (55, 12507308), (68, 10116205), (85, 8092964), (92, 7477195), (110, 6253654), (115, 5981756), (121, 5685140), (170, 4046482), (187, 3678620), (220, 3126827), (230, 2990878), (242, 2842570), (253, 2718980), (340, 2023241), (374, 1839310), (391, 1759340), (460, 1495439), (484, 1421285), (506, 1359490), (605, 1137028), (727, 946220), (748, 919655), (782, 879670), (935, 735724), (1012, 679745), (1210, 568514), (1265, 543796), (1454, 473110), (1564, 439835), (1870, 367862), (1955, 351868), (2057, 334420), (2420, 284257), (2530, 271898), (2783, 247180), (2908, 236555), (3635, 189244), (3740, 183931), (3910, 175934), (4114, 167210), (4301, 159940), (5060, 135949), (5566, 123590), (7270, 94622), (7820, 87967), (7997, 86020), (8228, 83605), (8602, 79970), (10285, 66884), (11132, 61795), (12359, 55660), (13915, 49436), (14540, 47311), (15994, 43010), (16721, 41140), (17204, 39985), (20570, 33442), (21505, 31988), (24718, 27830)]