20174282500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{479}}^1\times {\mathrm{991}}^1$

素因数の和:1511

約数の個数: 120

約数和(自身を含む): 46857000960

約数和(自身を除く): 26682718460

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 479, 500, 625, 850, 958, 991, 1250, 1700, 1916, 1982, 2125, 2395, 2500, 3964, 4250, 4790, 4955, 8143, 8500, 9580, 9910, 10625, 11975, 16286, 16847, 19820, 21250, 23950, 24775, 32572, 33694, 40715, 42500, 47900, 49550, 59875, 67388, 81430, 84235, 99100, 119750, 123875, 162860, 168470, 203575, 239500, 247750, 299375, 336940, 407150, 421175, 474689, 495500, 598750, 619375, 814300, 842350, 949378, 1017875, 1197500, 1238750, 1684700, 1898756, 2035750, 2105875, 2373445, 2477500, 4071500, 4211750, 4746890, 5089375, 8069713, 8423500, 9493780, 10178750, 10529375, 11867225, 16139426, 20357500, 21058750, 23734450, 32278852, 40348565, 42117500, 47468900, 59336125, 80697130, 118672250, 161394260, 201742825, 237344500, 296680625, 403485650, 593361250, 806971300, 1008714125, 1186722500, 2017428250, 4034856500, 5043570625, 10087141250, 20174282500]

約数ペア:

[(1, 20174282500), (2, 10087141250), (4, 5043570625), (5, 4034856500), (10, 2017428250), (17, 1186722500), (20, 1008714125), (25, 806971300), (34, 593361250), (50, 403485650), (68, 296680625), (85, 237344500), (100, 201742825), (125, 161394260), (170, 118672250), (250, 80697130), (340, 59336125), (425, 47468900), (479, 42117500), (500, 40348565), (625, 32278852), (850, 23734450), (958, 21058750), (991, 20357500), (1250, 16139426), (1700, 11867225), (1916, 10529375), (1982, 10178750), (2125, 9493780), (2395, 8423500), (2500, 8069713), (3964, 5089375), (4250, 4746890), (4790, 4211750), (4955, 4071500), (8143, 2477500), (8500, 2373445), (9580, 2105875), (9910, 2035750), (10625, 1898756), (11975, 1684700), (16286, 1238750), (16847, 1197500), (19820, 1017875), (21250, 949378), (23950, 842350), (24775, 814300), (32572, 619375), (33694, 598750), (40715, 495500), (42500, 474689), (47900, 421175), (49550, 407150), (59875, 336940), (67388, 299375), (81430, 247750), (84235, 239500), (99100, 203575), (119750, 168470), (123875, 162860)]