199982780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{5099}}^1$

素因数の和:5198

約数の個数: 48

約数和(自身を含む): 439538400

約数和(自身を除く): 239555620

約数列:

[1, 2, 4, 5, 10, 20, 37, 53, 74, 106, 148, 185, 212, 265, 370, 530, 740, 1060, 1961, 3922, 5099, 7844, 9805, 10198, 19610, 20396, 25495, 39220, 50990, 101980, 188663, 270247, 377326, 540494, 754652, 943315, 1080988, 1351235, 1886630, 2702470, 3773260, 5404940, 9999139, 19998278, 39996556, 49995695, 99991390, 199982780]

約数ペア:

[(1, 199982780), (2, 99991390), (4, 49995695), (5, 39996556), (10, 19998278), (20, 9999139), (37, 5404940), (53, 3773260), (74, 2702470), (106, 1886630), (148, 1351235), (185, 1080988), (212, 943315), (265, 754652), (370, 540494), (530, 377326), (740, 270247), (1060, 188663), (1961, 101980), (3922, 50990), (5099, 39220), (7844, 25495), (9805, 20396), (10198, 19610)]