209872140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:216

約数の個数: 192

約数和(自身を含む): 656377344

約数和(自身を除く): 446505204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 37, 51, 60, 67, 68, 74, 83, 85, 102, 111, 134, 148, 166, 170, 185, 201, 204, 222, 249, 255, 268, 332, 335, 340, 370, 402, 415, 444, 498, 510, 555, 629, 670, 740, 804, 830, 996, 1005, 1020, 1110, 1139, 1245, 1258, 1340, 1411, 1660, 1887, 2010, 2220, 2278, 2479, 2490, 2516, 2822, 3071, 3145, 3417, 3774, 4020, 4233, 4556, 4958, 4980, 5561, 5644, 5695, 6142, 6290, 6834, 7055, 7437, 7548, 8466, 9213, 9435, 9916, 11122, 11390, 12284, 12395, 12580, 13668, 14110, 14874, 15355, 16683, 16932, 17085, 18426, 18870, 21165, 22244, 22780, 24790, 27805, 28220, 29748, 30710, 33366, 34170, 36852, 37185, 37740, 42143, 42330, 46065, 49580, 52207, 55610, 61420, 66732, 68340, 74370, 83415, 84286, 84660, 92130, 94537, 104414, 111220, 126429, 148740, 156621, 166830, 168572, 184260, 189074, 205757, 208828, 210715, 252858, 261035, 283611, 313242, 333660, 378148, 411514, 421430, 472685, 505716, 522070, 567222, 617271, 626484, 632145, 783105, 823028, 842860, 945370, 1028785, 1044140, 1134444, 1234542, 1264290, 1418055, 1566210, 1890740, 2057570, 2469084, 2528580, 2836110, 3086355, 3132420, 3497869, 4115140, 5672220, 6172710, 6995738, 10493607, 12345420, 13991476, 17489345, 20987214, 34978690, 41974428, 52468035, 69957380, 104936070, 209872140]

約数ペア:

[(1, 209872140), (2, 104936070), (3, 69957380), (4, 52468035), (5, 41974428), (6, 34978690), (10, 20987214), (12, 17489345), (15, 13991476), (17, 12345420), (20, 10493607), (30, 6995738), (34, 6172710), (37, 5672220), (51, 4115140), (60, 3497869), (67, 3132420), (68, 3086355), (74, 2836110), (83, 2528580), (85, 2469084), (102, 2057570), (111, 1890740), (134, 1566210), (148, 1418055), (166, 1264290), (170, 1234542), (185, 1134444), (201, 1044140), (204, 1028785), (222, 945370), (249, 842860), (255, 823028), (268, 783105), (332, 632145), (335, 626484), (340, 617271), (370, 567222), (402, 522070), (415, 505716), (444, 472685), (498, 421430), (510, 411514), (555, 378148), (629, 333660), (670, 313242), (740, 283611), (804, 261035), (830, 252858), (996, 210715), (1005, 208828), (1020, 205757), (1110, 189074), (1139, 184260), (1245, 168572), (1258, 166830), (1340, 156621), (1411, 148740), (1660, 126429), (1887, 111220), (2010, 104414), (2220, 94537), (2278, 92130), (2479, 84660), (2490, 84286), (2516, 83415), (2822, 74370), (3071, 68340), (3145, 66732), (3417, 61420), (3774, 55610), (4020, 52207), (4233, 49580), (4556, 46065), (4958, 42330), (4980, 42143), (5561, 37740), (5644, 37185), (5695, 36852), (6142, 34170), (6290, 33366), (6834, 30710), (7055, 29748), (7437, 28220), (7548, 27805), (8466, 24790), (9213, 22780), (9435, 22244), (9916, 21165), (11122, 18870), (11390, 18426), (12284, 17085), (12395, 16932), (12580, 16683), (13668, 15355), (14110, 14874)]