7297640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 19094400

約数和(自身を除く): 11796760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 389, 469, 536, 670, 778, 938, 1340, 1556, 1876, 1945, 2345, 2680, 2723, 3112, 3752, 3890, 4690, 5446, 7780, 9380, 10892, 13615, 15560, 18760, 21784, 26063, 27230, 52126, 54460, 104252, 108920, 130315, 182441, 208504, 260630, 364882, 521260, 729764, 912205, 1042520, 1459528, 1824410, 3648820, 7297640]

約数ペア:

[(1, 7297640), (2, 3648820), (4, 1824410), (5, 1459528), (7, 1042520), (8, 912205), (10, 729764), (14, 521260), (20, 364882), (28, 260630), (35, 208504), (40, 182441), (56, 130315), (67, 108920), (70, 104252), (134, 54460), (140, 52126), (268, 27230), (280, 26063), (335, 21784), (389, 18760), (469, 15560), (536, 13615), (670, 10892), (778, 9380), (938, 7780), (1340, 5446), (1556, 4690), (1876, 3890), (1945, 3752), (2345, 3112), (2680, 2723)]