28276940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{74413}}^1$

素因数の和:74441

約数の個数: 24

約数和(自身を含む): 62507760

約数和(自身を除く): 34230820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 74413, 148826, 297652, 372065, 744130, 1413847, 1488260, 2827694, 5655388, 7069235, 14138470, 28276940]

約数ペア:

[(1, 28276940), (2, 14138470), (4, 7069235), (5, 5655388), (10, 2827694), (19, 1488260), (20, 1413847), (38, 744130), (76, 372065), (95, 297652), (190, 148826), (380, 74413)]