208207860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:251

約数の個数: 192

約数和(自身を含む): 694579200

約数和(自身を除く): 486371340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 67, 70, 84, 98, 105, 134, 140, 147, 151, 196, 201, 210, 245, 268, 294, 302, 335, 343, 402, 420, 453, 469, 490, 588, 604, 670, 686, 735, 755, 804, 906, 938, 980, 1005, 1029, 1057, 1340, 1372, 1407, 1470, 1510, 1715, 1812, 1876, 2010, 2058, 2114, 2265, 2345, 2814, 2940, 3020, 3171, 3283, 3430, 4020, 4116, 4228, 4530, 4690, 5145, 5285, 5628, 6342, 6566, 6860, 7035, 7399, 9060, 9380, 9849, 10117, 10290, 10570, 12684, 13132, 14070, 14798, 15855, 16415, 19698, 20234, 20580, 21140, 22197, 22981, 28140, 29596, 30351, 31710, 32830, 36995, 39396, 40468, 44394, 45962, 49245, 50585, 51793, 60702, 63420, 65660, 68943, 70819, 73990, 88788, 91924, 98490, 101170, 103586, 110985, 114905, 121404, 137886, 141638, 147980, 151755, 155379, 196980, 202340, 207172, 212457, 221970, 229810, 258965, 275772, 283276, 303510, 310758, 344715, 354095, 424914, 443940, 459620, 495733, 517930, 607020, 621516, 689430, 708190, 776895, 849828, 991466, 1035860, 1062285, 1378860, 1416380, 1487199, 1553790, 1982932, 2124570, 2478665, 2974398, 3107580, 3470131, 4249140, 4957330, 5948796, 6940262, 7435995, 9914660, 10410393, 13880524, 14871990, 17350655, 20820786, 29743980, 34701310, 41641572, 52051965, 69402620, 104103930, 208207860]

約数ペア:

[(1, 208207860), (2, 104103930), (3, 69402620), (4, 52051965), (5, 41641572), (6, 34701310), (7, 29743980), (10, 20820786), (12, 17350655), (14, 14871990), (15, 13880524), (20, 10410393), (21, 9914660), (28, 7435995), (30, 6940262), (35, 5948796), (42, 4957330), (49, 4249140), (60, 3470131), (67, 3107580), (70, 2974398), (84, 2478665), (98, 2124570), (105, 1982932), (134, 1553790), (140, 1487199), (147, 1416380), (151, 1378860), (196, 1062285), (201, 1035860), (210, 991466), (245, 849828), (268, 776895), (294, 708190), (302, 689430), (335, 621516), (343, 607020), (402, 517930), (420, 495733), (453, 459620), (469, 443940), (490, 424914), (588, 354095), (604, 344715), (670, 310758), (686, 303510), (735, 283276), (755, 275772), (804, 258965), (906, 229810), (938, 221970), (980, 212457), (1005, 207172), (1029, 202340), (1057, 196980), (1340, 155379), (1372, 151755), (1407, 147980), (1470, 141638), (1510, 137886), (1715, 121404), (1812, 114905), (1876, 110985), (2010, 103586), (2058, 101170), (2114, 98490), (2265, 91924), (2345, 88788), (2814, 73990), (2940, 70819), (3020, 68943), (3171, 65660), (3283, 63420), (3430, 60702), (4020, 51793), (4116, 50585), (4228, 49245), (4530, 45962), (4690, 44394), (5145, 40468), (5285, 39396), (5628, 36995), (6342, 32830), (6566, 31710), (6860, 30351), (7035, 29596), (7399, 28140), (9060, 22981), (9380, 22197), (9849, 21140), (10117, 20580), (10290, 20234), (10570, 19698), (12684, 16415), (13132, 15855), (14070, 14798)]