281366932

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 680803200

約数和(自身を除く): 399436268

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 29, 34, 44, 58, 68, 77, 109, 116, 119, 154, 187, 203, 218, 238, 289, 308, 319, 374, 406, 436, 476, 493, 578, 638, 748, 763, 812, 986, 1156, 1199, 1276, 1309, 1526, 1853, 1972, 2023, 2233, 2398, 2618, 3052, 3161, 3179, 3451, 3706, 4046, 4466, 4796, 5236, 5423, 6322, 6358, 6902, 7412, 8092, 8381, 8393, 8932, 10846, 12644, 12716, 12971, 13804, 16762, 16786, 20383, 21692, 22127, 22253, 25942, 31501, 33524, 33572, 34771, 37961, 40766, 44254, 44506, 51884, 53737, 58667, 63002, 69542, 75922, 81532, 88508, 89012, 92191, 107474, 117334, 126004, 139084, 142681, 151844, 184382, 214948, 220507, 234668, 243397, 285362, 346511, 368764, 376159, 441014, 486794, 570724, 591107, 645337, 693022, 752318, 882028, 913529, 973588, 1182214, 1290674, 1386044, 1504636, 1827058, 2364428, 2425577, 2581348, 3654116, 4137749, 4851154, 6394703, 8275498, 9702308, 10048819, 12789406, 16550996, 20097638, 25578812, 40195276, 70341733, 140683466, 281366932]

約数ペア:

[(1, 281366932), (2, 140683466), (4, 70341733), (7, 40195276), (11, 25578812), (14, 20097638), (17, 16550996), (22, 12789406), (28, 10048819), (29, 9702308), (34, 8275498), (44, 6394703), (58, 4851154), (68, 4137749), (77, 3654116), (109, 2581348), (116, 2425577), (119, 2364428), (154, 1827058), (187, 1504636), (203, 1386044), (218, 1290674), (238, 1182214), (289, 973588), (308, 913529), (319, 882028), (374, 752318), (406, 693022), (436, 645337), (476, 591107), (493, 570724), (578, 486794), (638, 441014), (748, 376159), (763, 368764), (812, 346511), (986, 285362), (1156, 243397), (1199, 234668), (1276, 220507), (1309, 214948), (1526, 184382), (1853, 151844), (1972, 142681), (2023, 139084), (2233, 126004), (2398, 117334), (2618, 107474), (3052, 92191), (3161, 89012), (3179, 88508), (3451, 81532), (3706, 75922), (4046, 69542), (4466, 63002), (4796, 58667), (5236, 53737), (5423, 51884), (6322, 44506), (6358, 44254), (6902, 40766), (7412, 37961), (8092, 34771), (8381, 33572), (8393, 33524), (8932, 31501), (10846, 25942), (12644, 22253), (12716, 22127), (12971, 21692), (13804, 20383), (16762, 16786)]