18244100

素因数分解:

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

素因数の和:477

約数の個数: 72

約数和(自身を含む): 46038720

約数和(自身を除く): 27794620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 67, 70, 100, 134, 140, 175, 268, 335, 350, 389, 469, 670, 700, 778, 938, 1340, 1556, 1675, 1876, 1945, 2345, 2723, 3350, 3890, 4690, 5446, 6700, 7780, 9380, 9725, 10892, 11725, 13615, 19450, 23450, 26063, 27230, 38900, 46900, 52126, 54460, 68075, 104252, 130315, 136150, 182441, 260630, 272300, 364882, 521260, 651575, 729764, 912205, 1303150, 1824410, 2606300, 3648820, 4561025, 9122050, 18244100]

約数ペア:

[(1, 18244100), (2, 9122050), (4, 4561025), (5, 3648820), (7, 2606300), (10, 1824410), (14, 1303150), (20, 912205), (25, 729764), (28, 651575), (35, 521260), (50, 364882), (67, 272300), (70, 260630), (100, 182441), (134, 136150), (140, 130315), (175, 104252), (268, 68075), (335, 54460), (350, 52126), (389, 46900), (469, 38900), (670, 27230), (700, 26063), (778, 23450), (938, 19450), (1340, 13615), (1556, 11725), (1675, 10892), (1876, 9725), (1945, 9380), (2345, 7780), (2723, 6700), (3350, 5446), (3890, 4690)]