687139630

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:541

約数の個数: 64

約数和(自身を含む): 1314144000

約数和(自身を除く): 627004370

約数列:

[1, 2, 5, 10, 29, 58, 79, 89, 145, 158, 178, 290, 337, 395, 445, 674, 790, 890, 1685, 2291, 2581, 3370, 4582, 5162, 7031, 9773, 11455, 12905, 14062, 19546, 22910, 25810, 26623, 29993, 35155, 48865, 53246, 59986, 70310, 97730, 133115, 149965, 203899, 266230, 299930, 407798, 772067, 869797, 1019495, 1544134, 1739594, 2038990, 2369447, 3860335, 4348985, 4738894, 7720670, 8697970, 11847235, 23694470, 68713963, 137427926, 343569815, 687139630]

約数ペア:

[(1, 687139630), (2, 343569815), (5, 137427926), (10, 68713963), (29, 23694470), (58, 11847235), (79, 8697970), (89, 7720670), (145, 4738894), (158, 4348985), (178, 3860335), (290, 2369447), (337, 2038990), (395, 1739594), (445, 1544134), (674, 1019495), (790, 869797), (890, 772067), (1685, 407798), (2291, 299930), (2581, 266230), (3370, 203899), (4582, 149965), (5162, 133115), (7031, 97730), (9773, 70310), (11455, 59986), (12905, 53246), (14062, 48865), (19546, 35155), (22910, 29993), (25810, 26623)]