251228250

素因数分解:

$2^1\times 3^3\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:455

約数の個数: 256

約数和(自身を含む): 859622400

約数和(自身を除く): 608394150

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 25, 26, 27, 30, 35, 39, 42, 45, 50, 54, 63, 65, 70, 75, 78, 90, 91, 105, 117, 125, 126, 130, 135, 150, 175, 182, 189, 195, 210, 225, 234, 250, 270, 273, 315, 325, 350, 351, 375, 378, 390, 409, 450, 455, 525, 546, 585, 630, 650, 675, 702, 750, 818, 819, 875, 910, 945, 975, 1050, 1125, 1170, 1227, 1350, 1365, 1575, 1625, 1638, 1750, 1755, 1890, 1950, 2045, 2250, 2275, 2454, 2457, 2625, 2730, 2863, 2925, 3150, 3250, 3375, 3510, 3681, 4090, 4095, 4550, 4725, 4875, 4914, 5250, 5317, 5726, 5850, 6135, 6750, 6825, 7362, 7875, 8190, 8589, 8775, 9450, 9750, 10225, 10634, 11043, 11375, 12270, 12285, 13650, 14315, 14625, 15750, 15951, 17178, 17550, 18405, 20450, 20475, 22086, 22750, 23625, 24570, 25767, 26585, 28630, 29250, 30675, 31902, 34125, 36810, 37219, 40950, 42945, 43875, 47250, 47853, 51125, 51534, 53170, 55215, 61350, 61425, 68250, 71575, 74438, 77301, 79755, 85890, 87750, 92025, 95706, 102250, 102375, 110430, 111657, 122850, 128835, 132925, 143150, 143559, 153375, 154602, 159510, 184050, 186095, 204750, 214725, 223314, 239265, 257670, 265850, 276075, 287118, 306750, 307125, 334971, 357875, 372190, 386505, 398775, 429450, 460125, 478530, 552150, 558285, 614250, 644175, 664625, 669942, 715750, 717795, 773010, 797550, 920250, 930475, 1004913, 1073625, 1116570, 1196325, 1288350, 1329250, 1380375, 1435590, 1674855, 1860950, 1932525, 1993875, 2009826, 2147250, 2392650, 2760750, 2791425, 3220875, 3349710, 3588975, 3865050, 3987750, 4652375, 5024565, 5582850, 5981625, 6441750, 7177950, 8374275, 9304750, 9662625, 10049130, 11963250, 13957125, 16748550, 17944875, 19325250, 25122825, 27914250, 35889750, 41871375, 50245650, 83742750, 125614125, 251228250]

約数ペア:

[(1, 251228250), (2, 125614125), (3, 83742750), (5, 50245650), (6, 41871375), (7, 35889750), (9, 27914250), (10, 25122825), (13, 19325250), (14, 17944875), (15, 16748550), (18, 13957125), (21, 11963250), (25, 10049130), (26, 9662625), (27, 9304750), (30, 8374275), (35, 7177950), (39, 6441750), (42, 5981625), (45, 5582850), (50, 5024565), (54, 4652375), (63, 3987750), (65, 3865050), (70, 3588975), (75, 3349710), (78, 3220875), (90, 2791425), (91, 2760750), (105, 2392650), (117, 2147250), (125, 2009826), (126, 1993875), (130, 1932525), (135, 1860950), (150, 1674855), (175, 1435590), (182, 1380375), (189, 1329250), (195, 1288350), (210, 1196325), (225, 1116570), (234, 1073625), (250, 1004913), (270, 930475), (273, 920250), (315, 797550), (325, 773010), (350, 717795), (351, 715750), (375, 669942), (378, 664625), (390, 644175), (409, 614250), (450, 558285), (455, 552150), (525, 478530), (546, 460125), (585, 429450), (630, 398775), (650, 386505), (675, 372190), (702, 357875), (750, 334971), (818, 307125), (819, 306750), (875, 287118), (910, 276075), (945, 265850), (975, 257670), (1050, 239265), (1125, 223314), (1170, 214725), (1227, 204750), (1350, 186095), (1365, 184050), (1575, 159510), (1625, 154602), (1638, 153375), (1750, 143559), (1755, 143150), (1890, 132925), (1950, 128835), (2045, 122850), (2250, 111657), (2275, 110430), (2454, 102375), (2457, 102250), (2625, 95706), (2730, 92025), (2863, 87750), (2925, 85890), (3150, 79755), (3250, 77301), (3375, 74438), (3510, 71575), (3681, 68250), (4090, 61425), (4095, 61350), (4550, 55215), (4725, 53170), (4875, 51534), (4914, 51125), (5250, 47853), (5317, 47250), (5726, 43875), (5850, 42945), (6135, 40950), (6750, 37219), (6825, 36810), (7362, 34125), (7875, 31902), (8190, 30675), (8589, 29250), (8775, 28630), (9450, 26585), (9750, 25767), (10225, 24570), (10634, 23625), (11043, 22750), (11375, 22086), (12270, 20475), (12285, 20450), (13650, 18405), (14315, 17550), (14625, 17178), (15750, 15951)]