27218780

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 58828224

約数和(自身を除く): 31609444

約数列:

[1, 2, 4, 5, 10, 20, 73, 103, 146, 181, 206, 292, 362, 365, 412, 515, 724, 730, 905, 1030, 1460, 1810, 2060, 3620, 7519, 13213, 15038, 18643, 26426, 30076, 37286, 37595, 52852, 66065, 74572, 75190, 93215, 132130, 150380, 186430, 264260, 372860, 1360939, 2721878, 5443756, 6804695, 13609390, 27218780]

約数ペア:

[(1, 27218780), (2, 13609390), (4, 6804695), (5, 5443756), (10, 2721878), (20, 1360939), (73, 372860), (103, 264260), (146, 186430), (181, 150380), (206, 132130), (292, 93215), (362, 75190), (365, 74572), (412, 66065), (515, 52852), (724, 37595), (730, 37286), (905, 30076), (1030, 26426), (1460, 18643), (1810, 15038), (2060, 13213), (3620, 7519)]