280205657872

素因数分解:

$2^4\times 7^1\times {\mathrm{313}}^1\times {\mathrm{409}}^1\times {\mathrm{19543}}^1$

素因数の和:20280

約数の個数: 80

約数和(自身を含む): 623991450880

約数和(自身を除く): 343785793008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 313, 409, 626, 818, 1252, 1636, 2191, 2504, 2863, 3272, 4382, 5008, 5726, 6544, 8764, 11452, 17528, 19543, 22904, 35056, 39086, 45808, 78172, 128017, 136801, 156344, 256034, 273602, 312688, 512068, 547204, 896119, 1024136, 1094408, 1792238, 2048272, 2188816, 3584476, 6116959, 7168952, 7993087, 12233918, 14337904, 15986174, 24467836, 31972348, 42818713, 48935672, 55951609, 63944696, 85637426, 97871344, 111903218, 127889392, 171274852, 223806436, 342549704, 447612872, 685099408, 895225744, 2501836231, 5003672462, 10007344924, 17512853617, 20014689848, 35025707234, 40029379696, 70051414468, 140102828936, 280205657872]

約数ペア:

[(1, 280205657872), (2, 140102828936), (4, 70051414468), (7, 40029379696), (8, 35025707234), (14, 20014689848), (16, 17512853617), (28, 10007344924), (56, 5003672462), (112, 2501836231), (313, 895225744), (409, 685099408), (626, 447612872), (818, 342549704), (1252, 223806436), (1636, 171274852), (2191, 127889392), (2504, 111903218), (2863, 97871344), (3272, 85637426), (4382, 63944696), (5008, 55951609), (5726, 48935672), (6544, 42818713), (8764, 31972348), (11452, 24467836), (17528, 15986174), (19543, 14337904), (22904, 12233918), (35056, 7993087), (39086, 7168952), (45808, 6116959), (78172, 3584476), (128017, 2188816), (136801, 2048272), (156344, 1792238), (256034, 1094408), (273602, 1024136), (312688, 896119), (512068, 547204)]