3648820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 8910720

約数和(自身を除く): 5261900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 389, 469, 670, 778, 938, 1340, 1556, 1876, 1945, 2345, 2723, 3890, 4690, 5446, 7780, 9380, 10892, 13615, 26063, 27230, 52126, 54460, 104252, 130315, 182441, 260630, 364882, 521260, 729764, 912205, 1824410, 3648820]

約数ペア:

[(1, 3648820), (2, 1824410), (4, 912205), (5, 729764), (7, 521260), (10, 364882), (14, 260630), (20, 182441), (28, 130315), (35, 104252), (67, 54460), (70, 52126), (134, 27230), (140, 26063), (268, 13615), (335, 10892), (389, 9380), (469, 7780), (670, 5446), (778, 4690), (938, 3890), (1340, 2723), (1556, 2345), (1876, 1945)]