2480260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 5624640

約数和(自身を除く): 3144380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 107, 122, 190, 214, 244, 305, 380, 428, 535, 610, 1070, 1159, 1220, 2033, 2140, 2318, 4066, 4636, 5795, 6527, 8132, 10165, 11590, 13054, 20330, 23180, 26108, 32635, 40660, 65270, 124013, 130540, 248026, 496052, 620065, 1240130, 2480260]

約数ペア:

[(1, 2480260), (2, 1240130), (4, 620065), (5, 496052), (10, 248026), (19, 130540), (20, 124013), (38, 65270), (61, 40660), (76, 32635), (95, 26108), (107, 23180), (122, 20330), (190, 13054), (214, 11590), (244, 10165), (305, 8132), (380, 6527), (428, 5795), (535, 4636), (610, 4066), (1070, 2318), (1159, 2140), (1220, 2033)]