17720853890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{359}}^1\times {\mathrm{991}}^1$

素因数の和:1667

約数の個数: 64

約数和(自身を含む): 34017822720

約数和(自身を除く): 16296968830

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 293, 359, 586, 718, 991, 1465, 1795, 1982, 2930, 3590, 4955, 4981, 6103, 9910, 9962, 12206, 16847, 24905, 30515, 33694, 49810, 61030, 84235, 105187, 168470, 210374, 290363, 355769, 525935, 580726, 711538, 1051870, 1451815, 1778845, 1788179, 2903630, 3557690, 3576358, 4936171, 6048073, 8940895, 9872342, 12096146, 17881790, 24680855, 30240365, 49361710, 60480730, 104240317, 208480634, 521201585, 1042403170, 1772085389, 3544170778, 8860426945, 17720853890]

約数ペア:

[(1, 17720853890), (2, 8860426945), (5, 3544170778), (10, 1772085389), (17, 1042403170), (34, 521201585), (85, 208480634), (170, 104240317), (293, 60480730), (359, 49361710), (586, 30240365), (718, 24680855), (991, 17881790), (1465, 12096146), (1795, 9872342), (1982, 8940895), (2930, 6048073), (3590, 4936171), (4955, 3576358), (4981, 3557690), (6103, 2903630), (9910, 1788179), (9962, 1778845), (12206, 1451815), (16847, 1051870), (24905, 711538), (30515, 580726), (33694, 525935), (49810, 355769), (61030, 290363), (84235, 210374), (105187, 168470)]