388809080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{569}}^1\times {\mathrm{1553}}^1$

素因数の和:2144

約数の個数: 64

約数和(自身を含む): 956642400

約数和(自身を除く): 567833320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 569, 1138, 1553, 2276, 2845, 3106, 4552, 5690, 6212, 6259, 7765, 11380, 12424, 12518, 15530, 17083, 22760, 25036, 31060, 31295, 34166, 50072, 62120, 62590, 68332, 85415, 125180, 136664, 170830, 250360, 341660, 683320, 883657, 1767314, 3534628, 4418285, 7069256, 8836570, 9720227, 17673140, 19440454, 35346280, 38880908, 48601135, 77761816, 97202270, 194404540, 388809080]

約数ペア:

[(1, 388809080), (2, 194404540), (4, 97202270), (5, 77761816), (8, 48601135), (10, 38880908), (11, 35346280), (20, 19440454), (22, 17673140), (40, 9720227), (44, 8836570), (55, 7069256), (88, 4418285), (110, 3534628), (220, 1767314), (440, 883657), (569, 683320), (1138, 341660), (1553, 250360), (2276, 170830), (2845, 136664), (3106, 125180), (4552, 85415), (5690, 68332), (6212, 62590), (6259, 62120), (7765, 50072), (11380, 34166), (12424, 31295), (12518, 31060), (15530, 25036), (17083, 22760)]