209417040

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1123}}^1$

素因数の和:1186

約数の個数: 240

約数和(自身を含む): 826220928

約数和(自身を除く): 616803888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 48, 56, 60, 63, 70, 72, 74, 80, 84, 90, 105, 111, 112, 120, 126, 140, 144, 148, 168, 180, 185, 210, 222, 240, 252, 259, 280, 296, 315, 333, 336, 360, 370, 420, 444, 504, 518, 555, 560, 592, 630, 666, 720, 740, 777, 840, 888, 1008, 1036, 1110, 1123, 1260, 1295, 1332, 1480, 1554, 1665, 1680, 1776, 2072, 2220, 2246, 2331, 2520, 2590, 2664, 2960, 3108, 3330, 3369, 3885, 4144, 4440, 4492, 4662, 5040, 5180, 5328, 5615, 6216, 6660, 6738, 7770, 7861, 8880, 8984, 9324, 10107, 10360, 11230, 11655, 12432, 13320, 13476, 15540, 15722, 16845, 17968, 18648, 20214, 20720, 22460, 23310, 23583, 26640, 26952, 31080, 31444, 33690, 37296, 39305, 40428, 41551, 44920, 46620, 47166, 50535, 53904, 62160, 62888, 67380, 70749, 78610, 80856, 83102, 89840, 93240, 94332, 101070, 117915, 124653, 125776, 134760, 141498, 157220, 161712, 166204, 186480, 188664, 202140, 207755, 235830, 249306, 269520, 282996, 290857, 314440, 332408, 353745, 373959, 377328, 404280, 415510, 471660, 498612, 565992, 581714, 623265, 628880, 664816, 707490, 747918, 808560, 831020, 872571, 943320, 997224, 1131984, 1163428, 1246530, 1414980, 1454285, 1495836, 1662040, 1745142, 1869795, 1886640, 1994448, 2326856, 2493060, 2617713, 2829960, 2908570, 2991672, 3324080, 3490284, 3739590, 4362855, 4653712, 4986120, 5235426, 5659920, 5817140, 5983344, 6980568, 7479180, 8725710, 9972240, 10470852, 11634280, 13088565, 13961136, 14958360, 17451420, 20941704, 23268560, 26177130, 29916720, 34902840, 41883408, 52354260, 69805680, 104708520, 209417040]

約数ペア:

[(1, 209417040), (2, 104708520), (3, 69805680), (4, 52354260), (5, 41883408), (6, 34902840), (7, 29916720), (8, 26177130), (9, 23268560), (10, 20941704), (12, 17451420), (14, 14958360), (15, 13961136), (16, 13088565), (18, 11634280), (20, 10470852), (21, 9972240), (24, 8725710), (28, 7479180), (30, 6980568), (35, 5983344), (36, 5817140), (37, 5659920), (40, 5235426), (42, 4986120), (45, 4653712), (48, 4362855), (56, 3739590), (60, 3490284), (63, 3324080), (70, 2991672), (72, 2908570), (74, 2829960), (80, 2617713), (84, 2493060), (90, 2326856), (105, 1994448), (111, 1886640), (112, 1869795), (120, 1745142), (126, 1662040), (140, 1495836), (144, 1454285), (148, 1414980), (168, 1246530), (180, 1163428), (185, 1131984), (210, 997224), (222, 943320), (240, 872571), (252, 831020), (259, 808560), (280, 747918), (296, 707490), (315, 664816), (333, 628880), (336, 623265), (360, 581714), (370, 565992), (420, 498612), (444, 471660), (504, 415510), (518, 404280), (555, 377328), (560, 373959), (592, 353745), (630, 332408), (666, 314440), (720, 290857), (740, 282996), (777, 269520), (840, 249306), (888, 235830), (1008, 207755), (1036, 202140), (1110, 188664), (1123, 186480), (1260, 166204), (1295, 161712), (1332, 157220), (1480, 141498), (1554, 134760), (1665, 125776), (1680, 124653), (1776, 117915), (2072, 101070), (2220, 94332), (2246, 93240), (2331, 89840), (2520, 83102), (2590, 80856), (2664, 78610), (2960, 70749), (3108, 67380), (3330, 62888), (3369, 62160), (3885, 53904), (4144, 50535), (4440, 47166), (4492, 46620), (4662, 44920), (5040, 41551), (5180, 40428), (5328, 39305), (5615, 37296), (6216, 33690), (6660, 31444), (6738, 31080), (7770, 26952), (7861, 26640), (8880, 23583), (8984, 23310), (9324, 22460), (10107, 20720), (10360, 20214), (11230, 18648), (11655, 17968), (12432, 16845), (13320, 15722), (13476, 15540)]