29925620

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 64646400

約数和(自身を除く): 34720780

約数列:

[1, 2, 4, 5, 10, 20, 73, 103, 146, 199, 206, 292, 365, 398, 412, 515, 730, 796, 995, 1030, 1460, 1990, 2060, 3980, 7519, 14527, 15038, 20497, 29054, 30076, 37595, 40994, 58108, 72635, 75190, 81988, 102485, 145270, 150380, 204970, 290540, 409940, 1496281, 2992562, 5985124, 7481405, 14962810, 29925620]

約数ペア:

[(1, 29925620), (2, 14962810), (4, 7481405), (5, 5985124), (10, 2992562), (20, 1496281), (73, 409940), (103, 290540), (146, 204970), (199, 150380), (206, 145270), (292, 102485), (365, 81988), (398, 75190), (412, 72635), (515, 58108), (730, 40994), (796, 37595), (995, 30076), (1030, 29054), (1460, 20497), (1990, 15038), (2060, 14527), (3980, 7519)]