138040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:64

約数の個数: 64

約数和(自身を含む): 388800

約数和(自身を除く): 250760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 29, 34, 35, 40, 56, 58, 68, 70, 85, 116, 119, 136, 140, 145, 170, 203, 232, 238, 280, 290, 340, 406, 476, 493, 580, 595, 680, 812, 952, 986, 1015, 1160, 1190, 1624, 1972, 2030, 2380, 2465, 3451, 3944, 4060, 4760, 4930, 6902, 8120, 9860, 13804, 17255, 19720, 27608, 34510, 69020, 138040]

約数ペア:

[(1, 138040), (2, 69020), (4, 34510), (5, 27608), (7, 19720), (8, 17255), (10, 13804), (14, 9860), (17, 8120), (20, 6902), (28, 4930), (29, 4760), (34, 4060), (35, 3944), (40, 3451), (56, 2465), (58, 2380), (68, 2030), (70, 1972), (85, 1624), (116, 1190), (119, 1160), (136, 1015), (140, 986), (145, 952), (170, 812), (203, 680), (232, 595), (238, 580), (280, 493), (290, 476), (340, 406)]