256193772

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:371

約数の個数: 96

約数和(自身を含む): 644656320

約数和(自身を除く): 388462548

約数列:

[1, 2, 3, 4, 6, 12, 29, 37, 58, 74, 87, 101, 111, 116, 148, 174, 197, 202, 222, 303, 348, 394, 404, 444, 591, 606, 788, 1073, 1182, 1212, 2146, 2364, 2929, 3219, 3737, 4292, 5713, 5858, 6438, 7289, 7474, 8787, 11211, 11426, 11716, 12876, 14578, 14948, 17139, 17574, 19897, 21867, 22422, 22852, 29156, 34278, 35148, 39794, 43734, 44844, 59691, 68556, 79588, 87468, 108373, 119382, 211381, 216746, 238764, 325119, 422762, 433492, 577013, 634143, 650238, 736189, 845524, 1154026, 1268286, 1300476, 1472378, 1731039, 2208567, 2308052, 2536572, 2944756, 3462078, 4417134, 6924156, 8834268, 21349481, 42698962, 64048443, 85397924, 128096886, 256193772]

約数ペア:

[(1, 256193772), (2, 128096886), (3, 85397924), (4, 64048443), (6, 42698962), (12, 21349481), (29, 8834268), (37, 6924156), (58, 4417134), (74, 3462078), (87, 2944756), (101, 2536572), (111, 2308052), (116, 2208567), (148, 1731039), (174, 1472378), (197, 1300476), (202, 1268286), (222, 1154026), (303, 845524), (348, 736189), (394, 650238), (404, 634143), (444, 577013), (591, 433492), (606, 422762), (788, 325119), (1073, 238764), (1182, 216746), (1212, 211381), (2146, 119382), (2364, 108373), (2929, 87468), (3219, 79588), (3737, 68556), (4292, 59691), (5713, 44844), (5858, 43734), (6438, 39794), (7289, 35148), (7474, 34278), (8787, 29156), (11211, 22852), (11426, 22422), (11716, 21867), (12876, 19897), (14578, 17574), (14948, 17139)]