20121017000

素因数分解:

$2^3\times 5^3\times 7^2\times {\mathrm{283}}^1\times {\mathrm{1451}}^1$

素因数の和:1769

約数の個数: 192

約数和(自身を含む): 55001643840

約数和(自身を除く): 34880626840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 175, 196, 200, 245, 250, 280, 283, 350, 392, 490, 500, 566, 700, 875, 980, 1000, 1132, 1225, 1400, 1415, 1451, 1750, 1960, 1981, 2264, 2450, 2830, 2902, 3500, 3962, 4900, 5660, 5804, 6125, 7000, 7075, 7255, 7924, 9800, 9905, 10157, 11320, 11608, 12250, 13867, 14150, 14510, 15848, 19810, 20314, 24500, 27734, 28300, 29020, 35375, 36275, 39620, 40628, 49000, 49525, 50785, 55468, 56600, 58040, 69335, 70750, 71099, 72550, 79240, 81256, 99050, 101570, 110936, 138670, 141500, 142198, 145100, 181375, 198100, 203140, 247625, 253925, 277340, 283000, 284396, 290200, 346675, 355495, 362750, 396200, 406280, 410633, 495250, 507850, 554680, 568792, 693350, 710990, 725500, 821266, 990500, 1015700, 1269625, 1386700, 1421980, 1451000, 1642532, 1733375, 1777475, 1981000, 2031400, 2053165, 2539250, 2773400, 2843960, 2874431, 3285064, 3466750, 3554950, 4106330, 5078500, 5748862, 6933500, 7109900, 8212660, 8887375, 10157000, 10265825, 11497724, 13867000, 14219800, 14372155, 16425320, 17774750, 20121017, 20531650, 22995448, 28744310, 35549500, 40242034, 41063300, 51329125, 57488620, 71099000, 71860775, 80484068, 82126600, 100605085, 102658250, 114977240, 143721550, 160968136, 201210170, 205316500, 287443100, 359303875, 402420340, 410633000, 503025425, 574886200, 718607750, 804840680, 1006050850, 1437215500, 2012101700, 2515127125, 2874431000, 4024203400, 5030254250, 10060508500, 20121017000]

約数ペア:

[(1, 20121017000), (2, 10060508500), (4, 5030254250), (5, 4024203400), (7, 2874431000), (8, 2515127125), (10, 2012101700), (14, 1437215500), (20, 1006050850), (25, 804840680), (28, 718607750), (35, 574886200), (40, 503025425), (49, 410633000), (50, 402420340), (56, 359303875), (70, 287443100), (98, 205316500), (100, 201210170), (125, 160968136), (140, 143721550), (175, 114977240), (196, 102658250), (200, 100605085), (245, 82126600), (250, 80484068), (280, 71860775), (283, 71099000), (350, 57488620), (392, 51329125), (490, 41063300), (500, 40242034), (566, 35549500), (700, 28744310), (875, 22995448), (980, 20531650), (1000, 20121017), (1132, 17774750), (1225, 16425320), (1400, 14372155), (1415, 14219800), (1451, 13867000), (1750, 11497724), (1960, 10265825), (1981, 10157000), (2264, 8887375), (2450, 8212660), (2830, 7109900), (2902, 6933500), (3500, 5748862), (3962, 5078500), (4900, 4106330), (5660, 3554950), (5804, 3466750), (6125, 3285064), (7000, 2874431), (7075, 2843960), (7255, 2773400), (7924, 2539250), (9800, 2053165), (9905, 2031400), (10157, 1981000), (11320, 1777475), (11608, 1733375), (12250, 1642532), (13867, 1451000), (14150, 1421980), (14510, 1386700), (15848, 1269625), (19810, 1015700), (20314, 990500), (24500, 821266), (27734, 725500), (28300, 710990), (29020, 693350), (35375, 568792), (36275, 554680), (39620, 507850), (40628, 495250), (49000, 410633), (49525, 406280), (50785, 396200), (55468, 362750), (56600, 355495), (58040, 346675), (69335, 290200), (70750, 284396), (71099, 283000), (72550, 277340), (79240, 253925), (81256, 247625), (99050, 203140), (101570, 198100), (110936, 181375), (138670, 145100), (141500, 142198)]