420256928

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:479

約数の個数: 144

約数和(自身を含む): 1058770440

約数和(自身を除く): 638513512

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 53, 56, 91, 98, 104, 106, 112, 182, 196, 208, 212, 224, 364, 371, 389, 392, 416, 424, 637, 689, 728, 742, 778, 784, 848, 1274, 1378, 1456, 1484, 1556, 1568, 1696, 2548, 2597, 2723, 2756, 2912, 2968, 3112, 4823, 5057, 5096, 5194, 5446, 5512, 5936, 6224, 9646, 10114, 10192, 10388, 10892, 11024, 11872, 12448, 19061, 19292, 20228, 20384, 20617, 20776, 21784, 22048, 33761, 35399, 38122, 38584, 40456, 41234, 41552, 43568, 67522, 70798, 76244, 77168, 80912, 82468, 83104, 87136, 135044, 141596, 144319, 152488, 154336, 161824, 164936, 247793, 268021, 270088, 283192, 288638, 304976, 329872, 495586, 536042, 540176, 566384, 577276, 609952, 659744, 991172, 1010233, 1072084, 1080352, 1132768, 1154552, 1876147, 1982344, 2020466, 2144168, 2309104, 3752294, 3964688, 4040932, 4288336, 4618208, 7504588, 7929376, 8081864, 8576672, 13133029, 15009176, 16163728, 26266058, 30018352, 32327456, 52532116, 60036704, 105064232, 210128464, 420256928]

約数ペア:

[(1, 420256928), (2, 210128464), (4, 105064232), (7, 60036704), (8, 52532116), (13, 32327456), (14, 30018352), (16, 26266058), (26, 16163728), (28, 15009176), (32, 13133029), (49, 8576672), (52, 8081864), (53, 7929376), (56, 7504588), (91, 4618208), (98, 4288336), (104, 4040932), (106, 3964688), (112, 3752294), (182, 2309104), (196, 2144168), (208, 2020466), (212, 1982344), (224, 1876147), (364, 1154552), (371, 1132768), (389, 1080352), (392, 1072084), (416, 1010233), (424, 991172), (637, 659744), (689, 609952), (728, 577276), (742, 566384), (778, 540176), (784, 536042), (848, 495586), (1274, 329872), (1378, 304976), (1456, 288638), (1484, 283192), (1556, 270088), (1568, 268021), (1696, 247793), (2548, 164936), (2597, 161824), (2723, 154336), (2756, 152488), (2912, 144319), (2968, 141596), (3112, 135044), (4823, 87136), (5057, 83104), (5096, 82468), (5194, 80912), (5446, 77168), (5512, 76244), (5936, 70798), (6224, 67522), (9646, 43568), (10114, 41552), (10192, 41234), (10388, 40456), (10892, 38584), (11024, 38122), (11872, 35399), (12448, 33761), (19061, 22048), (19292, 21784), (20228, 20776), (20384, 20617)]