248391780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:203

約数の個数: 288

約数和(自身を含む): 893402496

約数和(自身を除く): 645010716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 67, 70, 78, 84, 91, 97, 98, 105, 130, 134, 140, 147, 156, 182, 194, 195, 196, 201, 210, 245, 260, 268, 273, 291, 294, 335, 364, 388, 390, 402, 420, 455, 469, 485, 490, 546, 582, 588, 637, 670, 679, 735, 780, 804, 871, 910, 938, 970, 980, 1005, 1092, 1164, 1261, 1274, 1340, 1358, 1365, 1407, 1455, 1470, 1742, 1820, 1876, 1911, 1940, 2010, 2037, 2345, 2522, 2548, 2613, 2716, 2730, 2814, 2910, 2940, 3185, 3283, 3395, 3484, 3783, 3822, 4020, 4074, 4355, 4690, 4753, 5044, 5226, 5460, 5628, 5820, 6097, 6305, 6370, 6499, 6566, 6790, 7035, 7566, 7644, 8148, 8710, 8827, 9380, 9506, 9555, 9849, 10185, 10452, 12194, 12610, 12740, 12998, 13065, 13132, 13580, 14070, 14259, 15132, 16415, 17420, 17654, 18291, 18915, 19012, 19110, 19497, 19698, 20370, 23765, 24388, 25220, 25996, 26130, 26481, 28140, 28518, 30485, 32495, 32830, 35308, 36582, 37830, 38220, 38994, 39396, 40740, 42679, 44135, 45493, 47530, 49245, 52260, 52962, 57036, 60970, 61789, 64990, 65660, 71295, 73164, 75660, 77988, 84487, 85358, 88270, 90986, 91455, 95060, 97485, 98490, 105924, 121940, 123578, 128037, 129980, 132405, 136479, 142590, 168974, 170716, 176540, 181972, 182910, 185367, 194970, 196980, 213395, 227465, 247156, 253461, 256074, 264810, 272958, 285180, 308945, 318451, 337948, 365820, 370734, 389940, 422435, 426790, 454930, 506922, 512148, 529620, 545916, 591409, 617890, 636902, 640185, 682395, 741468, 844870, 853580, 909860, 926835, 955353, 1013844, 1182818, 1235780, 1267305, 1273804, 1280370, 1364790, 1592255, 1689740, 1774227, 1853670, 1910706, 2365636, 2534610, 2560740, 2729580, 2957045, 3184510, 3548454, 3707340, 3821412, 4139863, 4776765, 5069220, 5914090, 6369020, 7096908, 8279726, 8871135, 9553530, 11828180, 12419589, 16559452, 17742270, 19107060, 20699315, 24839178, 35484540, 41398630, 49678356, 62097945, 82797260, 124195890, 248391780]

約数ペア:

[(1, 248391780), (2, 124195890), (3, 82797260), (4, 62097945), (5, 49678356), (6, 41398630), (7, 35484540), (10, 24839178), (12, 20699315), (13, 19107060), (14, 17742270), (15, 16559452), (20, 12419589), (21, 11828180), (26, 9553530), (28, 8871135), (30, 8279726), (35, 7096908), (39, 6369020), (42, 5914090), (49, 5069220), (52, 4776765), (60, 4139863), (65, 3821412), (67, 3707340), (70, 3548454), (78, 3184510), (84, 2957045), (91, 2729580), (97, 2560740), (98, 2534610), (105, 2365636), (130, 1910706), (134, 1853670), (140, 1774227), (147, 1689740), (156, 1592255), (182, 1364790), (194, 1280370), (195, 1273804), (196, 1267305), (201, 1235780), (210, 1182818), (245, 1013844), (260, 955353), (268, 926835), (273, 909860), (291, 853580), (294, 844870), (335, 741468), (364, 682395), (388, 640185), (390, 636902), (402, 617890), (420, 591409), (455, 545916), (469, 529620), (485, 512148), (490, 506922), (546, 454930), (582, 426790), (588, 422435), (637, 389940), (670, 370734), (679, 365820), (735, 337948), (780, 318451), (804, 308945), (871, 285180), (910, 272958), (938, 264810), (970, 256074), (980, 253461), (1005, 247156), (1092, 227465), (1164, 213395), (1261, 196980), (1274, 194970), (1340, 185367), (1358, 182910), (1365, 181972), (1407, 176540), (1455, 170716), (1470, 168974), (1742, 142590), (1820, 136479), (1876, 132405), (1911, 129980), (1940, 128037), (2010, 123578), (2037, 121940), (2345, 105924), (2522, 98490), (2548, 97485), (2613, 95060), (2716, 91455), (2730, 90986), (2814, 88270), (2910, 85358), (2940, 84487), (3185, 77988), (3283, 75660), (3395, 73164), (3484, 71295), (3783, 65660), (3822, 64990), (4020, 61789), (4074, 60970), (4355, 57036), (4690, 52962), (4753, 52260), (5044, 49245), (5226, 47530), (5460, 45493), (5628, 44135), (5820, 42679), (6097, 40740), (6305, 39396), (6370, 38994), (6499, 38220), (6566, 37830), (6790, 36582), (7035, 35308), (7566, 32830), (7644, 32495), (8148, 30485), (8710, 28518), (8827, 28140), (9380, 26481), (9506, 26130), (9555, 25996), (9849, 25220), (10185, 24388), (10452, 23765), (12194, 20370), (12610, 19698), (12740, 19497), (12998, 19110), (13065, 19012), (13132, 18915), (13580, 18291), (14070, 17654), (14259, 17420), (15132, 16415)]