189998100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:351

約数の個数: 216

約数和(自身を含む): 644542080

約数和(自身を除く): 454543980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 41, 45, 50, 57, 60, 75, 76, 82, 90, 95, 100, 114, 123, 150, 164, 171, 180, 190, 205, 225, 228, 246, 271, 285, 300, 342, 369, 380, 410, 450, 475, 492, 542, 570, 615, 684, 738, 779, 813, 820, 855, 900, 950, 1025, 1084, 1140, 1230, 1355, 1425, 1476, 1558, 1626, 1710, 1845, 1900, 2050, 2337, 2439, 2460, 2710, 2850, 3075, 3116, 3252, 3420, 3690, 3895, 4065, 4100, 4275, 4674, 4878, 5149, 5420, 5700, 6150, 6775, 7011, 7380, 7790, 8130, 8550, 9225, 9348, 9756, 10298, 11111, 11685, 12195, 12300, 13550, 14022, 15447, 15580, 16260, 17100, 18450, 19475, 20325, 20596, 22222, 23370, 24390, 25745, 27100, 28044, 30894, 33333, 35055, 36900, 38950, 40650, 44444, 46341, 46740, 48780, 51490, 55555, 58425, 60975, 61788, 66666, 70110, 77235, 77900, 81300, 92682, 99999, 102980, 111110, 116850, 121950, 128725, 133332, 140220, 154470, 166665, 175275, 185364, 199998, 211109, 222220, 231705, 233700, 243900, 257450, 277775, 308940, 333330, 350550, 386175, 399996, 422218, 463410, 499995, 514900, 555550, 633327, 666660, 701100, 772350, 833325, 844436, 926820, 999990, 1055545, 1111100, 1158525, 1266654, 1544700, 1666650, 1899981, 1999980, 2111090, 2317050, 2499975, 2533308, 3166635, 3333300, 3799962, 4222180, 4634100, 4999950, 5277725, 6333270, 7599924, 9499905, 9999900, 10555450, 12666540, 15833175, 18999810, 21110900, 31666350, 37999620, 47499525, 63332700, 94999050, 189998100]

約数ペア:

[(1, 189998100), (2, 94999050), (3, 63332700), (4, 47499525), (5, 37999620), (6, 31666350), (9, 21110900), (10, 18999810), (12, 15833175), (15, 12666540), (18, 10555450), (19, 9999900), (20, 9499905), (25, 7599924), (30, 6333270), (36, 5277725), (38, 4999950), (41, 4634100), (45, 4222180), (50, 3799962), (57, 3333300), (60, 3166635), (75, 2533308), (76, 2499975), (82, 2317050), (90, 2111090), (95, 1999980), (100, 1899981), (114, 1666650), (123, 1544700), (150, 1266654), (164, 1158525), (171, 1111100), (180, 1055545), (190, 999990), (205, 926820), (225, 844436), (228, 833325), (246, 772350), (271, 701100), (285, 666660), (300, 633327), (342, 555550), (369, 514900), (380, 499995), (410, 463410), (450, 422218), (475, 399996), (492, 386175), (542, 350550), (570, 333330), (615, 308940), (684, 277775), (738, 257450), (779, 243900), (813, 233700), (820, 231705), (855, 222220), (900, 211109), (950, 199998), (1025, 185364), (1084, 175275), (1140, 166665), (1230, 154470), (1355, 140220), (1425, 133332), (1476, 128725), (1558, 121950), (1626, 116850), (1710, 111110), (1845, 102980), (1900, 99999), (2050, 92682), (2337, 81300), (2439, 77900), (2460, 77235), (2710, 70110), (2850, 66666), (3075, 61788), (3116, 60975), (3252, 58425), (3420, 55555), (3690, 51490), (3895, 48780), (4065, 46740), (4100, 46341), (4275, 44444), (4674, 40650), (4878, 38950), (5149, 36900), (5420, 35055), (5700, 33333), (6150, 30894), (6775, 28044), (7011, 27100), (7380, 25745), (7790, 24390), (8130, 23370), (8550, 22222), (9225, 20596), (9348, 20325), (9756, 19475), (10298, 18450), (11111, 17100), (11685, 16260), (12195, 15580), (12300, 15447), (13550, 14022)]