7280000

素因数分解:

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

素因数の和:54

約数の個数: 160

約数和(自身を含む): 22305360

約数和(自身を除く): 15025360

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, 112, 125, 128, 130, 140, 160, 175, 182, 200, 208, 224, 250, 260, 280, 320, 325, 350, 364, 400, 416, 448, 455, 500, 520, 560, 625, 640, 650, 700, 728, 800, 832, 875, 896, 910, 1000, 1040, 1120, 1250, 1300, 1400, 1456, 1600, 1625, 1664, 1750, 1820, 2000, 2080, 2240, 2275, 2500, 2600, 2800, 2912, 3200, 3250, 3500, 3640, 4000, 4160, 4375, 4480, 4550, 5000, 5200, 5600, 5824, 6500, 7000, 7280, 8000, 8125, 8320, 8750, 9100, 10000, 10400, 11200, 11375, 11648, 13000, 14000, 14560, 16000, 16250, 17500, 18200, 20000, 20800, 22400, 22750, 26000, 28000, 29120, 32500, 35000, 36400, 40000, 41600, 45500, 52000, 56000, 56875, 58240, 65000, 70000, 72800, 80000, 91000, 104000, 112000, 113750, 130000, 140000, 145600, 182000, 208000, 227500, 260000, 280000, 291200, 364000, 455000, 520000, 560000, 728000, 910000, 1040000, 1456000, 1820000, 3640000, 7280000]

約数ペア:

[(1, 7280000), (2, 3640000), (4, 1820000), (5, 1456000), (7, 1040000), (8, 910000), (10, 728000), (13, 560000), (14, 520000), (16, 455000), (20, 364000), (25, 291200), (26, 280000), (28, 260000), (32, 227500), (35, 208000), (40, 182000), (50, 145600), (52, 140000), (56, 130000), (64, 113750), (65, 112000), (70, 104000), (80, 91000), (91, 80000), (100, 72800), (104, 70000), (112, 65000), (125, 58240), (128, 56875), (130, 56000), (140, 52000), (160, 45500), (175, 41600), (182, 40000), (200, 36400), (208, 35000), (224, 32500), (250, 29120), (260, 28000), (280, 26000), (320, 22750), (325, 22400), (350, 20800), (364, 20000), (400, 18200), (416, 17500), (448, 16250), (455, 16000), (500, 14560), (520, 14000), (560, 13000), (625, 11648), (640, 11375), (650, 11200), (700, 10400), (728, 10000), (800, 9100), (832, 8750), (875, 8320), (896, 8125), (910, 8000), (1000, 7280), (1040, 7000), (1120, 6500), (1250, 5824), (1300, 5600), (1400, 5200), (1456, 5000), (1600, 4550), (1625, 4480), (1664, 4375), (1750, 4160), (1820, 4000), (2000, 3640), (2080, 3500), (2240, 3250), (2275, 3200), (2500, 2912), (2600, 2800)]