2826820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 6431040

約数和(自身を除く): 3604220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 173, 190, 215, 346, 380, 430, 692, 817, 860, 865, 1634, 1730, 3268, 3287, 3460, 4085, 6574, 7439, 8170, 13148, 14878, 16340, 16435, 29756, 32870, 37195, 65740, 74390, 141341, 148780, 282682, 565364, 706705, 1413410, 2826820]

約数ペア:

[(1, 2826820), (2, 1413410), (4, 706705), (5, 565364), (10, 282682), (19, 148780), (20, 141341), (38, 74390), (43, 65740), (76, 37195), (86, 32870), (95, 29756), (172, 16435), (173, 16340), (190, 14878), (215, 13148), (346, 8170), (380, 7439), (430, 6574), (692, 4085), (817, 3460), (860, 3287), (865, 3268), (1634, 1730)]