27974710

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 54050976

約数和(自身を除く): 26076266

約数列:

[1, 2, 5, 10, 31, 41, 62, 71, 82, 142, 155, 205, 310, 355, 410, 710, 961, 1271, 1922, 2201, 2542, 2911, 4402, 4805, 5822, 6355, 9610, 11005, 12710, 14555, 22010, 29110, 39401, 68231, 78802, 90241, 136462, 180482, 197005, 341155, 394010, 451205, 682310, 902410, 2797471, 5594942, 13987355, 27974710]

約数ペア:

[(1, 27974710), (2, 13987355), (5, 5594942), (10, 2797471), (31, 902410), (41, 682310), (62, 451205), (71, 394010), (82, 341155), (142, 197005), (155, 180482), (205, 136462), (310, 90241), (355, 78802), (410, 68231), (710, 39401), (961, 29110), (1271, 22010), (1922, 14555), (2201, 12710), (2542, 11005), (2911, 9610), (4402, 6355), (4805, 5822)]