211986990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 629164800

約数和(自身を除く): 417177810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 31, 38, 43, 45, 54, 57, 62, 86, 90, 93, 95, 114, 129, 135, 155, 171, 186, 190, 215, 258, 270, 279, 285, 310, 342, 387, 430, 465, 513, 558, 570, 589, 645, 774, 817, 837, 855, 930, 961, 1026, 1161, 1178, 1290, 1333, 1395, 1634, 1674, 1710, 1767, 1922, 1935, 2322, 2451, 2565, 2666, 2790, 2883, 2945, 3534, 3870, 3999, 4085, 4185, 4805, 4902, 5130, 5301, 5766, 5805, 5890, 6665, 7353, 7998, 8170, 8370, 8649, 8835, 9610, 10602, 11610, 11997, 12255, 13330, 14415, 14706, 15903, 17298, 17670, 18259, 19995, 22059, 23994, 24510, 25327, 25947, 26505, 28830, 31806, 35991, 36518, 36765, 39990, 41323, 43245, 44118, 50654, 51894, 53010, 54777, 59985, 71982, 73530, 75981, 79515, 82646, 86490, 91295, 109554, 110295, 119970, 123969, 126635, 129735, 151962, 159030, 164331, 179955, 182590, 206615, 220590, 227943, 247938, 253270, 259470, 273885, 328662, 359910, 371907, 379905, 413230, 455886, 492993, 547770, 619845, 683829, 743814, 759810, 785137, 821655, 985986, 1115721, 1139715, 1239690, 1367658, 1570274, 1643310, 1859535, 2231442, 2279430, 2355411, 2464965, 3419145, 3719070, 3925685, 4710822, 4929930, 5578605, 6838290, 7066233, 7851370, 11157210, 11777055, 14132466, 21198699, 23554110, 35331165, 42397398, 70662330, 105993495, 211986990]

約数ペア:

[(1, 211986990), (2, 105993495), (3, 70662330), (5, 42397398), (6, 35331165), (9, 23554110), (10, 21198699), (15, 14132466), (18, 11777055), (19, 11157210), (27, 7851370), (30, 7066233), (31, 6838290), (38, 5578605), (43, 4929930), (45, 4710822), (54, 3925685), (57, 3719070), (62, 3419145), (86, 2464965), (90, 2355411), (93, 2279430), (95, 2231442), (114, 1859535), (129, 1643310), (135, 1570274), (155, 1367658), (171, 1239690), (186, 1139715), (190, 1115721), (215, 985986), (258, 821655), (270, 785137), (279, 759810), (285, 743814), (310, 683829), (342, 619845), (387, 547770), (430, 492993), (465, 455886), (513, 413230), (558, 379905), (570, 371907), (589, 359910), (645, 328662), (774, 273885), (817, 259470), (837, 253270), (855, 247938), (930, 227943), (961, 220590), (1026, 206615), (1161, 182590), (1178, 179955), (1290, 164331), (1333, 159030), (1395, 151962), (1634, 129735), (1674, 126635), (1710, 123969), (1767, 119970), (1922, 110295), (1935, 109554), (2322, 91295), (2451, 86490), (2565, 82646), (2666, 79515), (2790, 75981), (2883, 73530), (2945, 71982), (3534, 59985), (3870, 54777), (3999, 53010), (4085, 51894), (4185, 50654), (4805, 44118), (4902, 43245), (5130, 41323), (5301, 39990), (5766, 36765), (5805, 36518), (5890, 35991), (6665, 31806), (7353, 28830), (7998, 26505), (8170, 25947), (8370, 25327), (8649, 24510), (8835, 23994), (9610, 22059), (10602, 19995), (11610, 18259), (11997, 17670), (12255, 17298), (13330, 15903), (14415, 14706)]