213215150

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2179}}^1$

素因数の和:2313

約数の個数: 48

約数和(自身を含む): 421699200

約数和(自身を除く): 208484050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 103, 190, 206, 475, 515, 950, 1030, 1957, 2179, 2575, 3914, 4358, 5150, 9785, 10895, 19570, 21790, 41401, 48925, 54475, 82802, 97850, 108950, 207005, 224437, 414010, 448874, 1035025, 1122185, 2070050, 2244370, 4264303, 5610925, 8528606, 11221850, 21321515, 42643030, 106607575, 213215150]

約数ペア:

[(1, 213215150), (2, 106607575), (5, 42643030), (10, 21321515), (19, 11221850), (25, 8528606), (38, 5610925), (50, 4264303), (95, 2244370), (103, 2070050), (190, 1122185), (206, 1035025), (475, 448874), (515, 414010), (950, 224437), (1030, 207005), (1957, 108950), (2179, 97850), (2575, 82802), (3914, 54475), (4358, 48925), (5150, 41401), (9785, 21790), (10895, 19570)]