4550000

素因数分解:

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

素因数の和:53

約数の個数: 120

約数和(自身を含む): 13561632

約数和(自身を除く): 9011632

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 125, 130, 140, 175, 182, 200, 208, 250, 260, 280, 325, 350, 364, 400, 455, 500, 520, 560, 625, 650, 700, 728, 875, 910, 1000, 1040, 1250, 1300, 1400, 1456, 1625, 1750, 1820, 2000, 2275, 2500, 2600, 2800, 3125, 3250, 3500, 3640, 4375, 4550, 5000, 5200, 6250, 6500, 7000, 7280, 8125, 8750, 9100, 10000, 11375, 12500, 13000, 14000, 16250, 17500, 18200, 21875, 22750, 25000, 26000, 32500, 35000, 36400, 40625, 43750, 45500, 50000, 56875, 65000, 70000, 81250, 87500, 91000, 113750, 130000, 162500, 175000, 182000, 227500, 284375, 325000, 350000, 455000, 568750, 650000, 910000, 1137500, 2275000, 4550000]

約数ペア:

[(1, 4550000), (2, 2275000), (4, 1137500), (5, 910000), (7, 650000), (8, 568750), (10, 455000), (13, 350000), (14, 325000), (16, 284375), (20, 227500), (25, 182000), (26, 175000), (28, 162500), (35, 130000), (40, 113750), (50, 91000), (52, 87500), (56, 81250), (65, 70000), (70, 65000), (80, 56875), (91, 50000), (100, 45500), (104, 43750), (112, 40625), (125, 36400), (130, 35000), (140, 32500), (175, 26000), (182, 25000), (200, 22750), (208, 21875), (250, 18200), (260, 17500), (280, 16250), (325, 14000), (350, 13000), (364, 12500), (400, 11375), (455, 10000), (500, 9100), (520, 8750), (560, 8125), (625, 7280), (650, 7000), (700, 6500), (728, 6250), (875, 5200), (910, 5000), (1000, 4550), (1040, 4375), (1250, 3640), (1300, 3500), (1400, 3250), (1456, 3125), (1625, 2800), (1750, 2600), (1820, 2500), (2000, 2275)]