211555890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1987}}^1$

素因数の和:2033

約数の個数: 144

約数和(自身を含む): 681041088

約数和(自身を除く): 469485198

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 169, 182, 195, 210, 234, 273, 315, 338, 390, 455, 507, 546, 585, 630, 819, 845, 910, 1014, 1170, 1183, 1365, 1521, 1638, 1690, 1987, 2366, 2535, 2730, 3042, 3549, 3974, 4095, 5070, 5915, 5961, 7098, 7605, 8190, 9935, 10647, 11830, 11922, 13909, 15210, 17745, 17883, 19870, 21294, 25831, 27818, 29805, 35490, 35766, 41727, 51662, 53235, 59610, 69545, 77493, 83454, 89415, 106470, 125181, 129155, 139090, 154986, 178830, 180817, 208635, 232479, 250362, 258310, 335803, 361634, 387465, 417270, 464958, 542451, 625905, 671606, 774930, 904085, 1007409, 1084902, 1162395, 1251810, 1627353, 1679015, 1808170, 2014818, 2324790, 2350621, 2712255, 3022227, 3254706, 3358030, 4701242, 5037045, 5424510, 6044454, 7051863, 8136765, 10074090, 11753105, 14103726, 15111135, 16273530, 21155589, 23506210, 30222270, 35259315, 42311178, 70518630, 105777945, 211555890]

約数ペア:

[(1, 211555890), (2, 105777945), (3, 70518630), (5, 42311178), (6, 35259315), (7, 30222270), (9, 23506210), (10, 21155589), (13, 16273530), (14, 15111135), (15, 14103726), (18, 11753105), (21, 10074090), (26, 8136765), (30, 7051863), (35, 6044454), (39, 5424510), (42, 5037045), (45, 4701242), (63, 3358030), (65, 3254706), (70, 3022227), (78, 2712255), (90, 2350621), (91, 2324790), (105, 2014818), (117, 1808170), (126, 1679015), (130, 1627353), (169, 1251810), (182, 1162395), (195, 1084902), (210, 1007409), (234, 904085), (273, 774930), (315, 671606), (338, 625905), (390, 542451), (455, 464958), (507, 417270), (546, 387465), (585, 361634), (630, 335803), (819, 258310), (845, 250362), (910, 232479), (1014, 208635), (1170, 180817), (1183, 178830), (1365, 154986), (1521, 139090), (1638, 129155), (1690, 125181), (1987, 106470), (2366, 89415), (2535, 83454), (2730, 77493), (3042, 69545), (3549, 59610), (3974, 53235), (4095, 51662), (5070, 41727), (5915, 35766), (5961, 35490), (7098, 29805), (7605, 27818), (8190, 25831), (9935, 21294), (10647, 19870), (11830, 17883), (11922, 17745), (13909, 15210)]