18200000

素因数分解:

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

素因数の和:57

約数の個数: 168

約数和(自身を含む): 55558944

約数和(自身を除く): 37358944

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, 130, 140, 160, 175, 182, 200, 208, 224, 250, 260, 280, 320, 325, 350, 364, 400, 416, 448, 455, 500, 520, 560, 625, 650, 700, 728, 800, 832, 875, 910, 1000, 1040, 1120, 1250, 1300, 1400, 1456, 1600, 1625, 1750, 1820, 2000, 2080, 2240, 2275, 2500, 2600, 2800, 2912, 3125, 3250, 3500, 3640, 4000, 4160, 4375, 4550, 5000, 5200, 5600, 5824, 6250, 6500, 7000, 7280, 8000, 8125, 8750, 9100, 10000, 10400, 11200, 11375, 12500, 13000, 14000, 14560, 16250, 17500, 18200, 20000, 20800, 21875, 22750, 25000, 26000, 28000, 29120, 32500, 35000, 36400, 40000, 40625, 43750, 45500, 50000, 52000, 56000, 56875, 65000, 70000, 72800, 81250, 87500, 91000, 100000, 104000, 113750, 130000, 140000, 145600, 162500, 175000, 182000, 200000, 227500, 260000, 280000, 284375, 325000, 350000, 364000, 455000, 520000, 568750, 650000, 700000, 728000, 910000, 1137500, 1300000, 1400000, 1820000, 2275000, 2600000, 3640000, 4550000, 9100000, 18200000]

約数ペア:

[(1, 18200000), (2, 9100000), (4, 4550000), (5, 3640000), (7, 2600000), (8, 2275000), (10, 1820000), (13, 1400000), (14, 1300000), (16, 1137500), (20, 910000), (25, 728000), (26, 700000), (28, 650000), (32, 568750), (35, 520000), (40, 455000), (50, 364000), (52, 350000), (56, 325000), (64, 284375), (65, 280000), (70, 260000), (80, 227500), (91, 200000), (100, 182000), (104, 175000), (112, 162500), (125, 145600), (130, 140000), (140, 130000), (160, 113750), (175, 104000), (182, 100000), (200, 91000), (208, 87500), (224, 81250), (250, 72800), (260, 70000), (280, 65000), (320, 56875), (325, 56000), (350, 52000), (364, 50000), (400, 45500), (416, 43750), (448, 40625), (455, 40000), (500, 36400), (520, 35000), (560, 32500), (625, 29120), (650, 28000), (700, 26000), (728, 25000), (800, 22750), (832, 21875), (875, 20800), (910, 20000), (1000, 18200), (1040, 17500), (1120, 16250), (1250, 14560), (1300, 14000), (1400, 13000), (1456, 12500), (1600, 11375), (1625, 11200), (1750, 10400), (1820, 10000), (2000, 9100), (2080, 8750), (2240, 8125), (2275, 8000), (2500, 7280), (2600, 7000), (2800, 6500), (2912, 6250), (3125, 5824), (3250, 5600), (3500, 5200), (3640, 5000), (4000, 4550), (4160, 4375)]