156930025

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{433}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 236790400

約数和(自身を除く): 79860375

約数列:

[1, 5, 7, 19, 25, 35, 95, 109, 133, 175, 433, 475, 545, 665, 763, 2071, 2165, 2725, 3031, 3325, 3815, 8227, 10355, 10825, 14497, 15155, 19075, 41135, 47197, 51775, 57589, 72485, 75775, 205675, 235985, 287945, 330379, 362425, 896743, 1179925, 1439725, 1651895, 4483715, 6277201, 8259475, 22418575, 31386005, 156930025]

約数ペア:

[(1, 156930025), (5, 31386005), (7, 22418575), (19, 8259475), (25, 6277201), (35, 4483715), (95, 1651895), (109, 1439725), (133, 1179925), (175, 896743), (433, 362425), (475, 330379), (545, 287945), (665, 235985), (763, 205675), (2071, 75775), (2165, 72485), (2725, 57589), (3031, 51775), (3325, 47197), (3815, 41135), (8227, 19075), (10355, 15155), (10825, 14497)]