2204720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:178

約数の個数: 80

約数和(自身を含む): 6094848

約数和(自身を除く): 3890128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 127, 140, 155, 217, 248, 254, 280, 310, 434, 496, 508, 560, 620, 635, 868, 889, 1016, 1085, 1240, 1270, 1736, 1778, 2032, 2170, 2480, 2540, 3472, 3556, 3937, 4340, 4445, 5080, 7112, 7874, 8680, 8890, 10160, 14224, 15748, 17360, 17780, 19685, 27559, 31496, 35560, 39370, 55118, 62992, 71120, 78740, 110236, 137795, 157480, 220472, 275590, 314960, 440944, 551180, 1102360, 2204720]

約数ペア:

[(1, 2204720), (2, 1102360), (4, 551180), (5, 440944), (7, 314960), (8, 275590), (10, 220472), (14, 157480), (16, 137795), (20, 110236), (28, 78740), (31, 71120), (35, 62992), (40, 55118), (56, 39370), (62, 35560), (70, 31496), (80, 27559), (112, 19685), (124, 17780), (127, 17360), (140, 15748), (155, 14224), (217, 10160), (248, 8890), (254, 8680), (280, 7874), (310, 7112), (434, 5080), (496, 4445), (508, 4340), (560, 3937), (620, 3556), (635, 3472), (868, 2540), (889, 2480), (1016, 2170), (1085, 2032), (1240, 1778), (1270, 1736)]