380793140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{209227}}^1$

素因数の和:209256

約数の個数: 48

約数和(自身を含む): 984208512

約数和(自身を除く): 603415372

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 209227, 418454, 836908, 1046135, 1464589, 2092270, 2719951, 2929178, 4184540, 5439902, 5858356, 7322945, 10879804, 13599755, 14645890, 19039657, 27199510, 29291780, 38079314, 54399020, 76158628, 95198285, 190396570, 380793140]

約数ペア:

[(1, 380793140), (2, 190396570), (4, 95198285), (5, 76158628), (7, 54399020), (10, 38079314), (13, 29291780), (14, 27199510), (20, 19039657), (26, 14645890), (28, 13599755), (35, 10879804), (52, 7322945), (65, 5858356), (70, 5439902), (91, 4184540), (130, 2929178), (140, 2719951), (182, 2092270), (260, 1464589), (364, 1046135), (455, 836908), (910, 418454), (1820, 209227)]