87649850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{359}}^1$

素因数の和:647

約数の個数: 48

約数和(自身を含む): 172756800

約数和(自身を除く): 85106950

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 257, 359, 475, 514, 718, 950, 1285, 1795, 2570, 3590, 4883, 6425, 6821, 8975, 9766, 12850, 13642, 17950, 24415, 34105, 48830, 68210, 92263, 122075, 170525, 184526, 244150, 341050, 461315, 922630, 1752997, 2306575, 3505994, 4613150, 8764985, 17529970, 43824925, 87649850]

約数ペア:

[(1, 87649850), (2, 43824925), (5, 17529970), (10, 8764985), (19, 4613150), (25, 3505994), (38, 2306575), (50, 1752997), (95, 922630), (190, 461315), (257, 341050), (359, 244150), (475, 184526), (514, 170525), (718, 122075), (950, 92263), (1285, 68210), (1795, 48830), (2570, 34105), (3590, 24415), (4883, 17950), (6425, 13642), (6821, 12850), (8975, 9766)]