289971808

素因数分解:

$2^5\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1831}}^1$

素因数の和:1956

約数の個数: 72

約数和(自身を含む): 671028624

約数和(自身を除く): 381056816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 101, 112, 196, 202, 224, 392, 404, 707, 784, 808, 1414, 1568, 1616, 1831, 2828, 3232, 3662, 4949, 5656, 7324, 9898, 11312, 12817, 14648, 19796, 22624, 25634, 29296, 39592, 51268, 58592, 79184, 89719, 102536, 158368, 179438, 184931, 205072, 358876, 369862, 410144, 717752, 739724, 1294517, 1435504, 1479448, 2589034, 2871008, 2958896, 5178068, 5917792, 9061619, 10356136, 18123238, 20712272, 36246476, 41424544, 72492952, 144985904, 289971808]

約数ペア:

[(1, 289971808), (2, 144985904), (4, 72492952), (7, 41424544), (8, 36246476), (14, 20712272), (16, 18123238), (28, 10356136), (32, 9061619), (49, 5917792), (56, 5178068), (98, 2958896), (101, 2871008), (112, 2589034), (196, 1479448), (202, 1435504), (224, 1294517), (392, 739724), (404, 717752), (707, 410144), (784, 369862), (808, 358876), (1414, 205072), (1568, 184931), (1616, 179438), (1831, 158368), (2828, 102536), (3232, 89719), (3662, 79184), (4949, 58592), (5656, 51268), (7324, 39592), (9898, 29296), (11312, 25634), (12817, 22624), (14648, 19796)]