308140000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 240

約数和(自身を含む): 906909696

約数和(自身を除く): 598769696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 70, 71, 80, 100, 112, 124, 125, 140, 142, 155, 160, 175, 200, 217, 224, 248, 250, 280, 284, 310, 350, 355, 400, 434, 496, 497, 500, 560, 568, 620, 625, 700, 710, 775, 800, 868, 875, 992, 994, 1000, 1085, 1120, 1136, 1240, 1250, 1400, 1420, 1550, 1736, 1750, 1775, 1988, 2000, 2170, 2201, 2272, 2480, 2485, 2500, 2800, 2840, 3100, 3472, 3500, 3550, 3875, 3976, 4000, 4340, 4375, 4402, 4960, 4970, 5000, 5425, 5600, 5680, 6200, 6944, 7000, 7100, 7750, 7952, 8680, 8750, 8804, 8875, 9940, 10000, 10850, 11005, 11360, 12400, 12425, 14000, 14200, 15407, 15500, 15904, 17360, 17500, 17608, 17750, 19375, 19880, 20000, 21700, 22010, 24800, 24850, 27125, 28000, 28400, 30814, 31000, 34720, 35000, 35216, 35500, 38750, 39760, 43400, 44020, 44375, 49700, 54250, 55025, 56800, 61628, 62000, 62125, 70000, 70432, 71000, 77035, 77500, 79520, 86800, 88040, 88750, 99400, 108500, 110050, 123256, 124000, 124250, 135625, 140000, 142000, 154070, 155000, 173600, 176080, 177500, 198800, 217000, 220100, 246512, 248500, 271250, 275125, 284000, 308140, 310000, 310625, 352160, 355000, 385175, 397600, 434000, 440200, 493024, 497000, 542500, 550250, 616280, 620000, 621250, 710000, 770350, 868000, 880400, 994000, 1085000, 1100500, 1232560, 1242500, 1375625, 1420000, 1540700, 1760800, 1925875, 1988000, 2170000, 2201000, 2465120, 2485000, 2751250, 3081400, 3851750, 4340000, 4402000, 4970000, 5502500, 6162800, 7703500, 8804000, 9629375, 9940000, 11005000, 12325600, 15407000, 19258750, 22010000, 30814000, 38517500, 44020000, 61628000, 77035000, 154070000, 308140000]

約数ペア:

[(1, 308140000), (2, 154070000), (4, 77035000), (5, 61628000), (7, 44020000), (8, 38517500), (10, 30814000), (14, 22010000), (16, 19258750), (20, 15407000), (25, 12325600), (28, 11005000), (31, 9940000), (32, 9629375), (35, 8804000), (40, 7703500), (50, 6162800), (56, 5502500), (62, 4970000), (70, 4402000), (71, 4340000), (80, 3851750), (100, 3081400), (112, 2751250), (124, 2485000), (125, 2465120), (140, 2201000), (142, 2170000), (155, 1988000), (160, 1925875), (175, 1760800), (200, 1540700), (217, 1420000), (224, 1375625), (248, 1242500), (250, 1232560), (280, 1100500), (284, 1085000), (310, 994000), (350, 880400), (355, 868000), (400, 770350), (434, 710000), (496, 621250), (497, 620000), (500, 616280), (560, 550250), (568, 542500), (620, 497000), (625, 493024), (700, 440200), (710, 434000), (775, 397600), (800, 385175), (868, 355000), (875, 352160), (992, 310625), (994, 310000), (1000, 308140), (1085, 284000), (1120, 275125), (1136, 271250), (1240, 248500), (1250, 246512), (1400, 220100), (1420, 217000), (1550, 198800), (1736, 177500), (1750, 176080), (1775, 173600), (1988, 155000), (2000, 154070), (2170, 142000), (2201, 140000), (2272, 135625), (2480, 124250), (2485, 124000), (2500, 123256), (2800, 110050), (2840, 108500), (3100, 99400), (3472, 88750), (3500, 88040), (3550, 86800), (3875, 79520), (3976, 77500), (4000, 77035), (4340, 71000), (4375, 70432), (4402, 70000), (4960, 62125), (4970, 62000), (5000, 61628), (5425, 56800), (5600, 55025), (5680, 54250), (6200, 49700), (6944, 44375), (7000, 44020), (7100, 43400), (7750, 39760), (7952, 38750), (8680, 35500), (8750, 35216), (8804, 35000), (8875, 34720), (9940, 31000), (10000, 30814), (10850, 28400), (11005, 28000), (11360, 27125), (12400, 24850), (12425, 24800), (14000, 22010), (14200, 21700), (15407, 20000), (15500, 19880), (15904, 19375), (17360, 17750), (17500, 17608)]