238456712

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2086

約数の個数: 64

約数和(自身を含む): 510720000

約数和(自身を除く): 272263288

約数列:

[1, 2, 4, 8, 13, 26, 31, 37, 52, 62, 74, 104, 124, 148, 248, 296, 403, 481, 806, 962, 1147, 1612, 1924, 1999, 2294, 3224, 3848, 3998, 4588, 7996, 9176, 14911, 15992, 25987, 29822, 51974, 59644, 61969, 73963, 103948, 119288, 123938, 147926, 207896, 247876, 295852, 495752, 591704, 805597, 961519, 1611194, 1923038, 2292853, 3222388, 3846076, 4585706, 6444776, 7692152, 9171412, 18342824, 29807089, 59614178, 119228356, 238456712]

約数ペア:

[(1, 238456712), (2, 119228356), (4, 59614178), (8, 29807089), (13, 18342824), (26, 9171412), (31, 7692152), (37, 6444776), (52, 4585706), (62, 3846076), (74, 3222388), (104, 2292853), (124, 1923038), (148, 1611194), (248, 961519), (296, 805597), (403, 591704), (481, 495752), (806, 295852), (962, 247876), (1147, 207896), (1612, 147926), (1924, 123938), (1999, 119288), (2294, 103948), (3224, 73963), (3848, 61969), (3998, 59644), (4588, 51974), (7996, 29822), (9176, 25987), (14911, 15992)]