2063020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 4687200

約数和(自身を除く): 2624180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 89, 95, 122, 178, 190, 244, 305, 356, 380, 445, 610, 890, 1159, 1220, 1691, 1780, 2318, 3382, 4636, 5429, 5795, 6764, 8455, 10858, 11590, 16910, 21716, 23180, 27145, 33820, 54290, 103151, 108580, 206302, 412604, 515755, 1031510, 2063020]

約数ペア:

[(1, 2063020), (2, 1031510), (4, 515755), (5, 412604), (10, 206302), (19, 108580), (20, 103151), (38, 54290), (61, 33820), (76, 27145), (89, 23180), (95, 21716), (122, 16910), (178, 11590), (190, 10858), (244, 8455), (305, 6764), (356, 5795), (380, 5429), (445, 4636), (610, 3382), (890, 2318), (1159, 1780), (1220, 1691)]