240727984

素因数分解:

$2^4\times 7^2\times {\mathrm{47}}^2\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 90

約数和(自身を含む): 558336660

約数和(自身を除く): 317608676

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 49, 56, 94, 98, 112, 139, 188, 196, 278, 329, 376, 392, 556, 658, 752, 784, 973, 1112, 1316, 1946, 2209, 2224, 2303, 2632, 3892, 4418, 4606, 5264, 6533, 6811, 7784, 8836, 9212, 13066, 13622, 15463, 15568, 17672, 18424, 26132, 27244, 30926, 35344, 36848, 45731, 52264, 54488, 61852, 91462, 104528, 108241, 108976, 123704, 182924, 216482, 247408, 307051, 320117, 365848, 432964, 614102, 640234, 731696, 865928, 1228204, 1280468, 1731856, 2149357, 2456408, 2560936, 4298714, 4912816, 5121872, 8597428, 15045499, 17194856, 30090998, 34389712, 60181996, 120363992, 240727984]

約数ペア:

[(1, 240727984), (2, 120363992), (4, 60181996), (7, 34389712), (8, 30090998), (14, 17194856), (16, 15045499), (28, 8597428), (47, 5121872), (49, 4912816), (56, 4298714), (94, 2560936), (98, 2456408), (112, 2149357), (139, 1731856), (188, 1280468), (196, 1228204), (278, 865928), (329, 731696), (376, 640234), (392, 614102), (556, 432964), (658, 365848), (752, 320117), (784, 307051), (973, 247408), (1112, 216482), (1316, 182924), (1946, 123704), (2209, 108976), (2224, 108241), (2303, 104528), (2632, 91462), (3892, 61852), (4418, 54488), (4606, 52264), (5264, 45731), (6533, 36848), (6811, 35344), (7784, 30926), (8836, 27244), (9212, 26132), (13066, 18424), (13622, 17672), (15463, 15568)]