209223900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:221

約数の個数: 216

約数和(自身を含む): 691212704

約数和(自身を除く): 481988804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 37, 45, 50, 60, 61, 74, 75, 90, 100, 103, 111, 122, 148, 150, 180, 183, 185, 206, 222, 225, 244, 300, 305, 309, 333, 366, 370, 412, 444, 450, 515, 549, 555, 610, 618, 666, 732, 740, 900, 915, 925, 927, 1030, 1098, 1110, 1220, 1236, 1332, 1525, 1545, 1665, 1830, 1850, 1854, 2060, 2196, 2220, 2257, 2575, 2745, 2775, 3050, 3090, 3330, 3660, 3700, 3708, 3811, 4514, 4575, 4635, 5150, 5490, 5550, 6100, 6180, 6283, 6660, 6771, 7622, 7725, 8325, 9028, 9150, 9270, 10300, 10980, 11100, 11285, 11433, 12566, 13542, 13725, 15244, 15450, 16650, 18300, 18540, 18849, 19055, 20313, 22570, 22866, 23175, 25132, 27084, 27450, 30900, 31415, 33300, 33855, 34299, 37698, 38110, 40626, 45140, 45732, 46350, 54900, 56425, 56547, 57165, 62830, 67710, 68598, 75396, 76220, 81252, 92700, 94245, 95275, 101565, 112850, 113094, 114330, 125660, 135420, 137196, 157075, 169275, 171495, 188490, 190550, 203130, 225700, 226188, 228660, 232471, 282735, 285825, 314150, 338550, 342990, 376980, 381100, 406260, 464942, 471225, 507825, 565470, 571650, 628300, 677100, 685980, 697413, 857475, 929884, 942450, 1015650, 1130940, 1143300, 1162355, 1394826, 1413675, 1714950, 1884900, 2031300, 2092239, 2324710, 2789652, 2827350, 3429900, 3487065, 4184478, 4649420, 5654700, 5811775, 6974130, 8368956, 10461195, 11623550, 13948260, 17435325, 20922390, 23247100, 34870650, 41844780, 52305975, 69741300, 104611950, 209223900]

約数ペア:

[(1, 209223900), (2, 104611950), (3, 69741300), (4, 52305975), (5, 41844780), (6, 34870650), (9, 23247100), (10, 20922390), (12, 17435325), (15, 13948260), (18, 11623550), (20, 10461195), (25, 8368956), (30, 6974130), (36, 5811775), (37, 5654700), (45, 4649420), (50, 4184478), (60, 3487065), (61, 3429900), (74, 2827350), (75, 2789652), (90, 2324710), (100, 2092239), (103, 2031300), (111, 1884900), (122, 1714950), (148, 1413675), (150, 1394826), (180, 1162355), (183, 1143300), (185, 1130940), (206, 1015650), (222, 942450), (225, 929884), (244, 857475), (300, 697413), (305, 685980), (309, 677100), (333, 628300), (366, 571650), (370, 565470), (412, 507825), (444, 471225), (450, 464942), (515, 406260), (549, 381100), (555, 376980), (610, 342990), (618, 338550), (666, 314150), (732, 285825), (740, 282735), (900, 232471), (915, 228660), (925, 226188), (927, 225700), (1030, 203130), (1098, 190550), (1110, 188490), (1220, 171495), (1236, 169275), (1332, 157075), (1525, 137196), (1545, 135420), (1665, 125660), (1830, 114330), (1850, 113094), (1854, 112850), (2060, 101565), (2196, 95275), (2220, 94245), (2257, 92700), (2575, 81252), (2745, 76220), (2775, 75396), (3050, 68598), (3090, 67710), (3330, 62830), (3660, 57165), (3700, 56547), (3708, 56425), (3811, 54900), (4514, 46350), (4575, 45732), (4635, 45140), (5150, 40626), (5490, 38110), (5550, 37698), (6100, 34299), (6180, 33855), (6283, 33300), (6660, 31415), (6771, 30900), (7622, 27450), (7725, 27084), (8325, 25132), (9028, 23175), (9150, 22866), (9270, 22570), (10300, 20313), (10980, 19055), (11100, 18849), (11285, 18540), (11433, 18300), (12566, 16650), (13542, 15450), (13725, 15244)]