208754579720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{855131}}^1$

素因数の和:855518

約数の個数: 64

約数和(自身を含む): 498712982400

約数和(自身を除く): 289958402680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 359, 680, 718, 1436, 1795, 2872, 3590, 6103, 7180, 12206, 14360, 24412, 30515, 48824, 61030, 122060, 244120, 855131, 1710262, 3420524, 4275655, 6841048, 8551310, 14537227, 17102620, 29074454, 34205240, 58148908, 72686135, 116297816, 145372270, 290744540, 306992029, 581489080, 613984058, 1227968116, 1534960145, 2455936232, 3069920290, 5218864493, 6139840580, 10437728986, 12279681160, 20875457972, 26094322465, 41750915944, 52188644930, 104377289860, 208754579720]

約数ペア:

[(1, 208754579720), (2, 104377289860), (4, 52188644930), (5, 41750915944), (8, 26094322465), (10, 20875457972), (17, 12279681160), (20, 10437728986), (34, 6139840580), (40, 5218864493), (68, 3069920290), (85, 2455936232), (136, 1534960145), (170, 1227968116), (340, 613984058), (359, 581489080), (680, 306992029), (718, 290744540), (1436, 145372270), (1795, 116297816), (2872, 72686135), (3590, 58148908), (6103, 34205240), (7180, 29074454), (12206, 17102620), (14360, 14537227), (24412, 8551310), (30515, 6841048), (48824, 4275655), (61030, 3420524), (122060, 1710262), (244120, 855131)]