3517220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 8915256

約数和(自身を除く): 5398036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 97, 98, 140, 148, 185, 194, 196, 245, 259, 370, 388, 485, 490, 518, 679, 740, 970, 980, 1036, 1295, 1358, 1813, 1940, 2590, 2716, 3395, 3589, 3626, 4753, 5180, 6790, 7178, 7252, 9065, 9506, 13580, 14356, 17945, 18130, 19012, 23765, 25123, 35890, 36260, 47530, 50246, 71780, 95060, 100492, 125615, 175861, 251230, 351722, 502460, 703444, 879305, 1758610, 3517220]

約数ペア:

[(1, 3517220), (2, 1758610), (4, 879305), (5, 703444), (7, 502460), (10, 351722), (14, 251230), (20, 175861), (28, 125615), (35, 100492), (37, 95060), (49, 71780), (70, 50246), (74, 47530), (97, 36260), (98, 35890), (140, 25123), (148, 23765), (185, 19012), (194, 18130), (196, 17945), (245, 14356), (259, 13580), (370, 9506), (388, 9065), (485, 7252), (490, 7178), (518, 6790), (679, 5180), (740, 4753), (970, 3626), (980, 3589), (1036, 3395), (1295, 2716), (1358, 2590), (1813, 1940)]