285721728

素因数分解:

$2^7\times 3^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:310

約数の個数: 128

約数和(自身を含む): 786542400

約数和(自身を除く): 500820672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 53, 64, 96, 101, 106, 128, 139, 159, 192, 202, 212, 278, 303, 318, 384, 404, 417, 424, 556, 606, 636, 808, 834, 848, 1112, 1212, 1272, 1616, 1668, 1696, 2224, 2424, 2544, 3232, 3336, 3392, 4448, 4848, 5088, 5353, 6464, 6672, 6784, 7367, 8896, 9696, 10176, 10706, 12928, 13344, 14039, 14734, 16059, 17792, 19392, 20352, 21412, 22101, 26688, 28078, 29468, 32118, 38784, 42117, 42824, 44202, 53376, 56156, 58936, 64236, 84234, 85648, 88404, 112312, 117872, 128472, 168468, 171296, 176808, 224624, 235744, 256944, 336936, 342592, 353616, 449248, 471488, 513888, 673872, 685184, 707232, 744067, 898496, 942976, 1027776, 1347744, 1414464, 1488134, 1796992, 2055552, 2232201, 2695488, 2828928, 2976268, 4464402, 5390976, 5952536, 8928804, 11905072, 17857608, 23810144, 35715216, 47620288, 71430432, 95240576, 142860864, 285721728]

約数ペア:

[(1, 285721728), (2, 142860864), (3, 95240576), (4, 71430432), (6, 47620288), (8, 35715216), (12, 23810144), (16, 17857608), (24, 11905072), (32, 8928804), (48, 5952536), (53, 5390976), (64, 4464402), (96, 2976268), (101, 2828928), (106, 2695488), (128, 2232201), (139, 2055552), (159, 1796992), (192, 1488134), (202, 1414464), (212, 1347744), (278, 1027776), (303, 942976), (318, 898496), (384, 744067), (404, 707232), (417, 685184), (424, 673872), (556, 513888), (606, 471488), (636, 449248), (808, 353616), (834, 342592), (848, 336936), (1112, 256944), (1212, 235744), (1272, 224624), (1616, 176808), (1668, 171296), (1696, 168468), (2224, 128472), (2424, 117872), (2544, 112312), (3232, 88404), (3336, 85648), (3392, 84234), (4448, 64236), (4848, 58936), (5088, 56156), (5353, 53376), (6464, 44202), (6672, 42824), (6784, 42117), (7367, 38784), (8896, 32118), (9696, 29468), (10176, 28078), (10706, 26688), (12928, 22101), (13344, 21412), (14039, 20352), (14734, 19392), (16059, 17792)]