254879557625

素因数分解:

$5^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{331}}^1\times {\mathrm{1039}}^1$

素因数の和:1421

約数の個数: 144

約数和(自身を含む): 408340558080

約数和(自身を除く): 153461000455

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 121, 125, 175, 245, 275, 331, 385, 539, 605, 847, 875, 1039, 1225, 1375, 1655, 1925, 2317, 2695, 3025, 3641, 4235, 5195, 5929, 6125, 7273, 8275, 9625, 11429, 11585, 13475, 15125, 16219, 18205, 21175, 25487, 25975, 29645, 36365, 40051, 41375, 50911, 57145, 57925, 67375, 80003, 81095, 91025, 105875, 125719, 127435, 129875, 148225, 178409, 181825, 200255, 254555, 280357, 285725, 289625, 343909, 400015, 405475, 455125, 560021, 628595, 637175, 741125, 880033, 892045, 909125, 1001275, 1272775, 1401785, 1428625, 1719545, 1962499, 2000075, 2027375, 2407363, 2800105, 3142975, 3185875, 3782999, 4400165, 4460225, 5006375, 6160231, 6363875, 7008925, 8597725, 9812495, 10000375, 12036815, 14000525, 15714875, 16851541, 18914995, 22000825, 22301125, 26480993, 30801155, 35044625, 41612989, 42988625, 49062475, 60184075, 70002625, 84257705, 94574975, 110004125, 132404965, 154005775, 185366951, 208064945, 245312375, 291290923, 300920375, 421288525, 472874875, 662024825, 770028875, 926834755, 1040324725, 1456454615, 2039036461, 2106442625, 3310124125, 4634173775, 5201623625, 7282273075, 10195182305, 23170868875, 36411365375, 50975911525, 254879557625]

約数ペア:

[(1, 254879557625), (5, 50975911525), (7, 36411365375), (11, 23170868875), (25, 10195182305), (35, 7282273075), (49, 5201623625), (55, 4634173775), (77, 3310124125), (121, 2106442625), (125, 2039036461), (175, 1456454615), (245, 1040324725), (275, 926834755), (331, 770028875), (385, 662024825), (539, 472874875), (605, 421288525), (847, 300920375), (875, 291290923), (1039, 245312375), (1225, 208064945), (1375, 185366951), (1655, 154005775), (1925, 132404965), (2317, 110004125), (2695, 94574975), (3025, 84257705), (3641, 70002625), (4235, 60184075), (5195, 49062475), (5929, 42988625), (6125, 41612989), (7273, 35044625), (8275, 30801155), (9625, 26480993), (11429, 22301125), (11585, 22000825), (13475, 18914995), (15125, 16851541), (16219, 15714875), (18205, 14000525), (21175, 12036815), (25487, 10000375), (25975, 9812495), (29645, 8597725), (36365, 7008925), (40051, 6363875), (41375, 6160231), (50911, 5006375), (57145, 4460225), (57925, 4400165), (67375, 3782999), (80003, 3185875), (81095, 3142975), (91025, 2800105), (105875, 2407363), (125719, 2027375), (127435, 2000075), (129875, 1962499), (148225, 1719545), (178409, 1428625), (181825, 1401785), (200255, 1272775), (254555, 1001275), (280357, 909125), (285725, 892045), (289625, 880033), (343909, 741125), (400015, 637175), (405475, 628595), (455125, 560021)]