389480000

素因数分解:

$2^6\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:159

約数の個数: 280

約数和(自身を含む): 1199765952

約数和(自身を除く): 810285952

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 64, 65, 70, 80, 91, 100, 104, 107, 112, 125, 130, 140, 160, 175, 182, 200, 208, 214, 224, 250, 260, 280, 320, 325, 350, 364, 400, 416, 428, 448, 455, 500, 520, 535, 560, 625, 650, 700, 728, 749, 800, 832, 856, 875, 910, 1000, 1040, 1070, 1120, 1250, 1300, 1391, 1400, 1456, 1498, 1600, 1625, 1712, 1750, 1820, 2000, 2080, 2140, 2240, 2275, 2500, 2600, 2675, 2782, 2800, 2912, 2996, 3250, 3424, 3500, 3640, 3745, 4000, 4160, 4280, 4375, 4550, 5000, 5200, 5350, 5564, 5600, 5824, 5992, 6500, 6848, 6955, 7000, 7280, 7490, 8000, 8125, 8560, 8750, 9100, 9737, 10000, 10400, 10700, 11128, 11200, 11375, 11984, 13000, 13375, 13910, 14000, 14560, 14980, 16250, 17120, 17500, 18200, 18725, 19474, 20000, 20800, 21400, 22256, 22750, 23968, 26000, 26750, 27820, 28000, 29120, 29960, 32500, 34240, 34775, 35000, 36400, 37450, 38948, 40000, 42800, 44512, 45500, 47936, 48685, 52000, 53500, 55640, 56000, 56875, 59920, 65000, 66875, 69550, 70000, 72800, 74900, 77896, 85600, 89024, 91000, 93625, 97370, 104000, 107000, 111280, 113750, 119840, 130000, 133750, 139100, 140000, 145600, 149800, 155792, 171200, 173875, 182000, 187250, 194740, 214000, 222560, 227500, 239680, 243425, 260000, 267500, 278200, 280000, 299600, 311584, 347750, 364000, 374500, 389480, 428000, 445120, 455000, 468125, 486850, 520000, 535000, 556400, 599200, 623168, 695500, 728000, 749000, 778960, 856000, 869375, 910000, 936250, 973700, 1070000, 1112800, 1198400, 1217125, 1391000, 1498000, 1557920, 1738750, 1820000, 1872500, 1947400, 2140000, 2225600, 2434250, 2782000, 2996000, 3115840, 3477500, 3640000, 3745000, 3894800, 4280000, 4868500, 5564000, 5992000, 6085625, 6955000, 7490000, 7789600, 9737000, 11128000, 12171250, 13910000, 14980000, 15579200, 19474000, 24342500, 27820000, 29960000, 38948000, 48685000, 55640000, 77896000, 97370000, 194740000, 389480000]

約数ペア:

[(1, 389480000), (2, 194740000), (4, 97370000), (5, 77896000), (7, 55640000), (8, 48685000), (10, 38948000), (13, 29960000), (14, 27820000), (16, 24342500), (20, 19474000), (25, 15579200), (26, 14980000), (28, 13910000), (32, 12171250), (35, 11128000), (40, 9737000), (50, 7789600), (52, 7490000), (56, 6955000), (64, 6085625), (65, 5992000), (70, 5564000), (80, 4868500), (91, 4280000), (100, 3894800), (104, 3745000), (107, 3640000), (112, 3477500), (125, 3115840), (130, 2996000), (140, 2782000), (160, 2434250), (175, 2225600), (182, 2140000), (200, 1947400), (208, 1872500), (214, 1820000), (224, 1738750), (250, 1557920), (260, 1498000), (280, 1391000), (320, 1217125), (325, 1198400), (350, 1112800), (364, 1070000), (400, 973700), (416, 936250), (428, 910000), (448, 869375), (455, 856000), (500, 778960), (520, 749000), (535, 728000), (560, 695500), (625, 623168), (650, 599200), (700, 556400), (728, 535000), (749, 520000), (800, 486850), (832, 468125), (856, 455000), (875, 445120), (910, 428000), (1000, 389480), (1040, 374500), (1070, 364000), (1120, 347750), (1250, 311584), (1300, 299600), (1391, 280000), (1400, 278200), (1456, 267500), (1498, 260000), (1600, 243425), (1625, 239680), (1712, 227500), (1750, 222560), (1820, 214000), (2000, 194740), (2080, 187250), (2140, 182000), (2240, 173875), (2275, 171200), (2500, 155792), (2600, 149800), (2675, 145600), (2782, 140000), (2800, 139100), (2912, 133750), (2996, 130000), (3250, 119840), (3424, 113750), (3500, 111280), (3640, 107000), (3745, 104000), (4000, 97370), (4160, 93625), (4280, 91000), (4375, 89024), (4550, 85600), (5000, 77896), (5200, 74900), (5350, 72800), (5564, 70000), (5600, 69550), (5824, 66875), (5992, 65000), (6500, 59920), (6848, 56875), (6955, 56000), (7000, 55640), (7280, 53500), (7490, 52000), (8000, 48685), (8125, 47936), (8560, 45500), (8750, 44512), (9100, 42800), (9737, 40000), (10000, 38948), (10400, 37450), (10700, 36400), (11128, 35000), (11200, 34775), (11375, 34240), (11984, 32500), (13000, 29960), (13375, 29120), (13910, 28000), (14000, 27820), (14560, 26750), (14980, 26000), (16250, 23968), (17120, 22750), (17500, 22256), (18200, 21400), (18725, 20800), (19474, 20000)]