254359000

素因数分解:

$2^3\times 5^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:243

約数の個数: 192

約数和(自身を含む): 720252000

約数和(自身を除く): 465893000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 29, 35, 40, 49, 50, 56, 58, 70, 98, 100, 116, 125, 140, 145, 175, 179, 196, 200, 203, 232, 245, 250, 280, 290, 350, 358, 392, 406, 490, 500, 580, 700, 716, 725, 812, 875, 895, 980, 1000, 1015, 1160, 1225, 1253, 1400, 1421, 1432, 1450, 1624, 1750, 1790, 1960, 2030, 2450, 2506, 2842, 2900, 3500, 3580, 3625, 4060, 4475, 4900, 5012, 5075, 5191, 5684, 5800, 6125, 6265, 7000, 7105, 7160, 7250, 8120, 8771, 8950, 9800, 10024, 10150, 10382, 11368, 12250, 12530, 14210, 14500, 17542, 17900, 20300, 20764, 22375, 24500, 25060, 25375, 25955, 28420, 29000, 31325, 35084, 35525, 35800, 36337, 40600, 41528, 43855, 44750, 49000, 50120, 50750, 51910, 56840, 62650, 70168, 71050, 72674, 87710, 89500, 101500, 103820, 125300, 129775, 142100, 145348, 156625, 175420, 177625, 179000, 181685, 203000, 207640, 219275, 250600, 254359, 259550, 284200, 290696, 313250, 350840, 355250, 363370, 438550, 508718, 519100, 626500, 648875, 710500, 726740, 877100, 908425, 1017436, 1038200, 1096375, 1253000, 1271795, 1297750, 1421000, 1453480, 1754200, 1816850, 2034872, 2192750, 2543590, 2595500, 3633700, 4385500, 4542125, 5087180, 5191000, 6358975, 7267400, 8771000, 9084250, 10174360, 12717950, 18168500, 25435900, 31794875, 36337000, 50871800, 63589750, 127179500, 254359000]

約数ペア:

[(1, 254359000), (2, 127179500), (4, 63589750), (5, 50871800), (7, 36337000), (8, 31794875), (10, 25435900), (14, 18168500), (20, 12717950), (25, 10174360), (28, 9084250), (29, 8771000), (35, 7267400), (40, 6358975), (49, 5191000), (50, 5087180), (56, 4542125), (58, 4385500), (70, 3633700), (98, 2595500), (100, 2543590), (116, 2192750), (125, 2034872), (140, 1816850), (145, 1754200), (175, 1453480), (179, 1421000), (196, 1297750), (200, 1271795), (203, 1253000), (232, 1096375), (245, 1038200), (250, 1017436), (280, 908425), (290, 877100), (350, 726740), (358, 710500), (392, 648875), (406, 626500), (490, 519100), (500, 508718), (580, 438550), (700, 363370), (716, 355250), (725, 350840), (812, 313250), (875, 290696), (895, 284200), (980, 259550), (1000, 254359), (1015, 250600), (1160, 219275), (1225, 207640), (1253, 203000), (1400, 181685), (1421, 179000), (1432, 177625), (1450, 175420), (1624, 156625), (1750, 145348), (1790, 142100), (1960, 129775), (2030, 125300), (2450, 103820), (2506, 101500), (2842, 89500), (2900, 87710), (3500, 72674), (3580, 71050), (3625, 70168), (4060, 62650), (4475, 56840), (4900, 51910), (5012, 50750), (5075, 50120), (5191, 49000), (5684, 44750), (5800, 43855), (6125, 41528), (6265, 40600), (7000, 36337), (7105, 35800), (7160, 35525), (7250, 35084), (8120, 31325), (8771, 29000), (8950, 28420), (9800, 25955), (10024, 25375), (10150, 25060), (10382, 24500), (11368, 22375), (12250, 20764), (12530, 20300), (14210, 17900), (14500, 17542)]