256420332

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2383}}^1$

素因数の和:2468

約数の個数: 108

約数和(自身を含む): 766680096

約数和(自身を除く): 510259764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 61, 63, 84, 98, 122, 126, 147, 183, 196, 244, 252, 294, 366, 427, 441, 549, 588, 732, 854, 882, 1098, 1281, 1708, 1764, 2196, 2383, 2562, 2989, 3843, 4766, 5124, 5978, 7149, 7686, 8967, 9532, 11956, 14298, 15372, 16681, 17934, 21447, 26901, 28596, 33362, 35868, 42894, 50043, 53802, 66724, 85788, 100086, 107604, 116767, 145363, 150129, 200172, 233534, 290726, 300258, 350301, 436089, 467068, 581452, 600516, 700602, 872178, 1017541, 1050903, 1308267, 1401204, 1744356, 2035082, 2101806, 2616534, 3052623, 4070164, 4203612, 5233068, 6105246, 7122787, 9157869, 12210492, 14245574, 18315738, 21368361, 28491148, 36631476, 42736722, 64105083, 85473444, 128210166, 256420332]

約数ペア:

[(1, 256420332), (2, 128210166), (3, 85473444), (4, 64105083), (6, 42736722), (7, 36631476), (9, 28491148), (12, 21368361), (14, 18315738), (18, 14245574), (21, 12210492), (28, 9157869), (36, 7122787), (42, 6105246), (49, 5233068), (61, 4203612), (63, 4070164), (84, 3052623), (98, 2616534), (122, 2101806), (126, 2035082), (147, 1744356), (183, 1401204), (196, 1308267), (244, 1050903), (252, 1017541), (294, 872178), (366, 700602), (427, 600516), (441, 581452), (549, 467068), (588, 436089), (732, 350301), (854, 300258), (882, 290726), (1098, 233534), (1281, 200172), (1708, 150129), (1764, 145363), (2196, 116767), (2383, 107604), (2562, 100086), (2989, 85788), (3843, 66724), (4766, 53802), (5124, 50043), (5978, 42894), (7149, 35868), (7686, 33362), (8967, 28596), (9532, 26901), (11956, 21447), (14298, 17934), (15372, 16681)]