40144874

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 79315200

約数和(自身を除く): 39170326

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 89, 101, 154, 178, 202, 203, 319, 406, 623, 638, 707, 979, 1111, 1246, 1414, 1958, 2222, 2233, 2581, 2929, 4466, 5162, 5858, 6853, 7777, 8989, 13706, 15554, 17978, 18067, 20503, 28391, 32219, 36134, 41006, 56782, 62923, 64438, 98879, 125846, 197758, 198737, 225533, 260681, 397474, 451066, 521362, 692153, 1384306, 1824767, 2867491, 3649534, 5734982, 20072437, 40144874]

約数ペア:

[(1, 40144874), (2, 20072437), (7, 5734982), (11, 3649534), (14, 2867491), (22, 1824767), (29, 1384306), (58, 692153), (77, 521362), (89, 451066), (101, 397474), (154, 260681), (178, 225533), (202, 198737), (203, 197758), (319, 125846), (406, 98879), (623, 64438), (638, 62923), (707, 56782), (979, 41006), (1111, 36134), (1246, 32219), (1414, 28391), (1958, 20503), (2222, 18067), (2233, 17978), (2581, 15554), (2929, 13706), (4466, 8989), (5162, 7777), (5858, 6853)]